The Ledger

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why aren't all 1,034 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Supported
Mike Agassi gave ten-year-old Andre speed before a national tennis tournament
“Sure enough, at the Nationals, my father gives me a pill. Hold out your hand, he says. This will help you. Take it. He puts a pill in my palm. Tiny, white, and round.”
David Senra Feb 4, 2026 ▶ 20:38 Tortured Into Greatness: The Life of Andre Agassi
Assertion Contradicted
High IQ is the CEO trait most correlated with organizational success
“The CEO trait most closely correlated with organizational success is a high IQ.”
David Senra Dec 19, 2024 ▶ 1:23:39 Breakfast with Brad Jacobs + How To Make A Few Billion Dollars
Assertion Partly supported
Steve Jobs Fired Two Apple Board Members For Never Disagreeing
“In fact, Ed Catmull told this great story where Steve was talking about that he had fired two people from Apple's board, and the reason Steve gave Ed surprised Ed, and Steve said, is because they didn't ever disagree with me.”
David Senra Jun 4, 2026 ▶ 7:07 Steve Jobs in Exile
Assertion Supported
DeepMind Employees Had Google-Wide Access While Google Staff Was Barred From DeepMind
“People that worked at DeepMind could get into any Google office globally, but people that worked at Google were barred from DeepMind's premises.”
David Senra Apr 1, 2026 ▶ 42:00 The Relentless Missionary Creating AGI: Demis Hassabis
Assertion Supported
Google DeepMind Closed Technical Gap with OpenAI Within Two Years
“Less than two years after the messy shotgun marriage that created Google DeepMind, Demis' team had closed the technical gap.”
David Senra Apr 1, 2026 ▶ 53:32 The Relentless Missionary Creating AGI: Demis Hassabis
Assertion Partly supported
Dietrich Mateschitz threatened an unauthorized Russian biographer with having kneecaps broken
“There was another potential biographer, this Russian author that tried to start writing a biography, an unauthorized biography on Matashitz, and Matashitz threatened to have his kneecaps broken. He didn't like that the author was going to, like, his hometown. …”
David Senra Nov 25, 2025 ▶ 19:43 Red Bull's Billionaire Maniac Founder
Assertion Supported
Jensen Huang has 60 direct reports and skips one-on-ones
“Jensen has 60 direct reports and he doesn't do one-on-one meetings.”
David Senra Oct 19, 2025 ▶ 9:52 How Jensen Works
Assertion Supported
Jensen Huang predicted Nvidia's average selling prices would uniquely rise
“He said that Nvidia would be a unique semiconductor company where products average selling prices rise. We are going to be the only guy where ASPs go up over time when everyone else's ASPs will go down, he said.”
David Senra Oct 19, 2025 ▶ 42:31 How Jensen Works
Prediction Held up
Peterffy predicted in 1971 that automated systems would replace floor traders
“As soon as this electronic brain is hooked up to its voice box so it can answer the phone, staff will be able to go on a permanent vacation.”
David Senra Oct 5, 2025 ▶ 10:29 The Billionaire Who Automates Everything: Thomas Peterffy
Assertion Supported
Prosecutors alleged John DeLorean and Colin Chapman split millions in UK funds
“They alleged that DeLorean had pocketed 8.5 million of the government fee while Chapman had taken eight million for himself.”
David Senra Jul 22, 2025 ▶ 11:39 The Outsiders Who Changed F1 Forever
Assertion Partly supported
An Australian report found China leads in 30 of 45 emerging technologies
“He says this report was published in Australia. There was a survey of roughly 45 of the most important emerging technologies from quantum computing to solar power cells, to various areas in biotechnology, and the Chinese led in 30 of these areas.”
David Senra Apr 22, 2025 ▶ 30:33 Ken Griffin: Founder of Citadel and Citadel Securities
Assertion Supported
Berkshire operates with no HR, legal, IR, or PR departments
“We have no human relations department, no legal department, no investor relations, no public relations. We don't have any of that. We've got a bunch of all-stars out there running businesses. We just asked them to mail the money to Omaha.”
David Senra Mar 8, 2025 ▶ 32:10 400 Pages of Warren Buffett and Charlie Munger In Their Own Words
Assertion Supported
Berkshire refuses to sell businesses unless they drain cash endlessly
“And like one thing that they bring up over and over again is in their wholly owned businesses, unless it's going to completely drain a bunch of money, they're not going to sell them. Even if, you know, they can say, Oh, we're, we used to make 15%. Now we make …”
David Senra Mar 8, 2025 ▶ 34:28 400 Pages of Warren Buffett and Charlie Munger In Their Own Words
Assertion Partly supported
Jerry Jones Secured a Gas Contract Paying Nine Times Prior Producer Rates
“The agreement that he signs with the company that his friends is CEO of, it allows Jones to sell gas to Arkansas, Louisiana gas company, which is also known as ArcLaw at a price that was far higher than what the utility was paying others in the field. So he ma…”
David Senra Mar 3, 2025 ▶ 40:09 The Life Story of Jerry Jones: Owner of The Dallas Cowboys
Assertion Supported
Jensen Huang Manages 60 Direct Reports but Refuses One-on-One Meetings
“Jensen's famous or infamous, the fact that he has 60 direct reports and he refuses to do one-on-one.”
David Senra Jan 14, 2025 ▶ 35:52 How Jensen Thinks
Assertion Supported
Jensen Huang Criticizes Employees Publicly So the Entire Company Learns
“Jensen does not believe, you know, there's this maximum like praise publicly, criticize privately. No, he does not. He criticizes publicly so that the entire organization can learn from a single person's mistake.”
David Senra Jan 14, 2025 ▶ 39:12 How Jensen Thinks
Assertion Supported
Kobe Bryant vowed his post-basketball career must surpass his NBA achievements
“Kobe mentions this in that interview with Alex Rodriguez, where he says, you know, when he tells people that if the next 20 years of his life isn't better and he doesn't achieve more than the last 20 years, he would consider that a failure.”
David Senra Apr 27, 2024 ▶ 1:08:38 Michael Jordan And Kobe Bryant
Assertion Supported
Duveen engineered the National Gallery to inflate prices and clear wall space.
“By getting Andrew Mellon to donate his collection to it, the National Gallery was the perfect front for Duveen. In one gesture, his clients avoided taxes, cleared wall space for new purchases, and reduced the numbers of paintings on the market, maintaining the…”
David Senra Apr 26, 2024 ▶ 41:23 The Robber Baron's Art Dealer: Joseph Duveen
Assertion Partly supported
Mateschitz threatened to break the kneecaps of an unauthorized biographer
“There was another potential biographer, this Russian author that tried to start writing a biography, an unauthorized biography on Madraschitz and Madraschitz threatened to have his kneecaps broken.”
David Senra Apr 20, 2024 ▶ 18:03 Red Bull's Billionaire Maniac Founder: Dietrich Mateschitz
Assertion Contradicted
Psychiatrist David Shaffer claims his ex-wife Anna Wintour is incapable of empathy
“Her ex-husband, whose name's David Schaefer, he's the psychiatrist. He's been on record. He says that a lot of people debate, like, does Anna have the ability to empathize with other people? And he says very clearly that Anna is not capable of empathy.”
David Senra Apr 13, 2024 ▶ 57:25 The Biography of Anna Wintour
Assertion Supported
Earl Woods used military POW psychological techniques on 12-year-old Tiger
“Earl put him through what he called Woods' finishing school. He would use psychological warfare and prisoner of war techniques that he had once taught to soldiers. Earl broke down his son in an attempt to toughen him up.”
David Senra Mar 18, 2024 ▶ 26:48 The Biography of Tiger Woods
Assertion Partly supported
Teledyne never made another material acquisition or issued shares after 1969
“From this point on, the company never made another material purchase and never issued another share of stock.”
David Senra Aug 31, 2026 ▶ 8:05 How Henry Singleton Worked
Assertion Supported
Teledyne had under 50 HQ staff for 40,000 employees
“At headquarters, there were fewer than 50 people in a company with over 40,000 total employees and no human resource or investor relations departments.”
David Senra Aug 31, 2026 ▶ 8:46 How Henry Singleton Worked
Assertion Supported
Munger Called Henry Singleton the Smartest Person He Ever Knew
“Munger said Henry Singleton was the smartest single human being I've ever known in my entire life.”
David Senra Aug 31, 2026 ▶ 44:40 How Henry Singleton Worked
Assertion Partly supported
Merchant Banking Dynasties Built Fortunes Through Gold Smuggling and Blockade Running
“How the Rothschilds, the Barings, in many cases, they're like smuggling gold, or illegally transferring materials through like blockades during wars. There's all kinds, they were cutthroats. That's how all the great houses were built”
David Senra Jul 19, 2026 ▶ 24:45 The Merchant Bankers
Assertion Supported
Apple's core design team had 16 people compared to Samsung's 1,000
“There's 16 odd designers focusing on refining and improving Apple's products and manufacturing processes. By comparison, Samsung has a thousand designers working in 34 research centers around the world. Apple had 16 in one spot.”
David Senra Jun 10, 2026 ▶ 41:00 The Simple Genius of Jony Ive
Assertion Supported
Jobs and Perot Struck Secret Side Deal to Sell NeXT Hardware
“Steven Ross has struck a second secret deal. It would never appear in any press release or regulatory filing. They didn't even write the terms down to sell the next computer. Ross was willing to mobilize his high level government networks and his sales force f…”
David Senra Jun 4, 2026 ▶ 17:07 Steve Jobs in Exile
Assertion Supported
NeXT Team Used Channel Stuffing to Inflate Sales Figures to Jobs
“The team reported sales figures by determining the number of units given to distributors, not sales to final customers. Distributors didn't have to pay right away. They got the machines on credit. Next then immediately counted these as sales, even though no mo…”
David Senra Jun 4, 2026 ▶ 36:36 Steve Jobs in Exile
Assertion Supported
BeOS Founder Brought No Laptop or Presentation to Crucial Apple Pitch
“The founder of B walks in and he pursued a different approach. He hadn't brought anyone else from his team. He wasn't carrying a laptop. In fact, he had prepared no presentation whatsoever because the two teams had been kept separate.”
David Senra Jun 4, 2026 ▶ 51:05 Steve Jobs in Exile
Assertion Supported
SpaceX designed Dragon's docking mechanism using off-the-shelf bike shocks
“The Dragon's capsule docking mechanism was reinvented from off-the-shelf bike shocks And catalog parts instead of adopting NASA's existing design.”
David Senra Mar 8, 2026 ▶ 8:04 How SpaceX Works
Assertion Supported
NASA found SpaceX developed Falcon 9 for a fraction of legacy costs
“A NASA study found SpaceX developed Falcon nine for roughly four hundred and forty million. They estimated the same work with traditional contractors would have cost three to 10 times that amount.”
David Senra Mar 8, 2026 ▶ 10:48 How SpaceX Works
Assertion Supported
Gwynne Shotwell convinced NASA and the Pentagon to accept standardized rocket launches
“She made it so the world's most conservative buyers, NASA and the Pentagon would accept a radical new model of standardization.”
David Senra Mar 8, 2026 ▶ 30:01 How SpaceX Works
Assertion Supported
Nvidia CEO Jensen Huang prefers to torture people into greatness
“There's a line from the founder of Nvidia, Jensen Wong. He said that he doesn't like to give up on people. He'd rather torture them into greatness.”
David Senra Feb 4, 2026 ▶ 7:43 Tortured Into Greatness: The Life of Andre Agassi
Assertion Partly supported
Dietrich Mateschitz bought an Austrian tabloid purely to keep himself out
“He's the richest man in Austria, right? And there's a society magazine. So like, you know, I don't, I guess we'd call it like kind of like a tabloid or like a gossip magazine in the States, but he actually buys it. He buys this magazine just so he will not app…”
David Senra Nov 25, 2025 ▶ 19:02 Red Bull's Billionaire Maniac Founder
Assertion Partly supported
Rockefeller routinely bribed politicians and paid off critical journalists
“So Rockefeller would buy politicians and he would make sure that they stayed bought. When the media wrote critical articles about standard oil, Rockefeller would buy off the reporters in the media too.”
David Senra Nov 17, 2025 ▶ 53:34 How Rockefeller Worked
Assertion Supported
Rockefeller's wealth grew more during his retirement than his active career
“What's crazy is Rockefeller's wealth wealth grows more in retirement than it did when he was active. And it did this because he never sold his stock.”
David Senra Nov 17, 2025 ▶ 36:43 How Rockefeller Worked
Assertion Supported
Standard Oil secretly funded patent litigation to financially bleed a rival
“Standard Oil had secretly approached Tweedle and told them that they will cover all the legal costs when Tweedle gets sued for patent infringement, which indeed happens. They then purposely drag the case through the court slowly to bleed the smaller company. E…”
David Senra Nov 17, 2025 ▶ 46:07 How Rockefeller Worked
Assertion Supported
Oracle Slashed Its Global Product Pricing Staff From 200 to Under 10
“We had about 200 people around the world involved in analyzing and reanalyzing, setting and resetting prices. It costs us a fortune in duplication of effort. We were competing against ourselves. It was embarrassing. Now we have less than 10 people working on p…”
David Senra Nov 4, 2025 ▶ 49:03 How Larry Ellison Thinks
Assertion Supported
Jensen Huang refused board recommendations to hire a COO
“Jensen had steadfastly refused to change his management philosophy, even when new board members joined and recommended that he hired a chief operating officer to reduce his administrative burden.”
David Senra Oct 19, 2025 ▶ 11:44 How Jensen Works
Assertion Supported
Nvidia repurposed failed high-end chips to price low-end rivals into losses
“Nvidia could create a whole new derivative product line that could turn a profit without the expensive and time consuming process of research and development. That line would serve as defense against competitors for whom the low cost chip Was the main product.…”
David Senra Oct 19, 2025 ▶ 37:42 How Jensen Works
Assertion Supported
Peterffy hired female floor traders to bypass exchange specialists who ignored him
“He hired six tall, beautiful women to trade for him. The specialists who had ignored his bids suddenly fought to fill his new employees' trades.”
David Senra Oct 5, 2025 ▶ 17:15 The Billionaire Who Automates Everything: Thomas Peterffy
Assertion Supported
Peterffy built Wall Street's first fully automated trading system in 1987
“In 1987, Peterfi achieved what he had first dreamed of in 1971, so that's 16 years of trial and error. The first fully automated trading system in Wall Street history. His machines could now place trades without human intervention.”
David Senra Oct 5, 2025 ▶ 22:26 The Billionaire Who Automates Everything: Thomas Peterffy
Assertion Supported
Senra: Microsoft held 'Borland War Councils' and printed 'delete Philippe' T-shirts
“Gates held meetings that became known around Microsoft as the Borland War Councils, during which him and his staff plotted how to beat the Frenchman being Philippe Kahn. Gates reportedly walked into one such meeting and threw Kahn's picture down on a table and…”
David Senra Sep 24, 2025 ▶ 53:20 How Bill Gates Works
Assertion Supported
Luxottica Fills 80% of Its Acquired Retail Stores With Its Own Frames
“This formula means that when you and I walk into a LensCrafters, or a Sunglass Hut, or a David Clulow, or an Octacost Carol, which has 950 branches in Brazil, or a Zulang glasses in Shanghai, or a Ming Long store in Hong Kong, around 80% of the frames on displ…”
David Senra Jul 14, 2025 ▶ 8:30 This Orphan Built a $116 Billion Empire Without You Noticing
Assertion Partly supported
Michelin Exclusively Self-Funded Expansion and Kept Executive Management Strictly Familial
“It helped in keeping secrets that the firm made no appeal to outside sources of financing. Operations and expansion were financed out of profits. Managerial jobs stayed within the family.”
David Senra Jul 9, 2025 ▶ 46:54 The Greatest Marketer of All Time and The Cofounder of the Michelin Family Dynasty Andre Michel
Assertion Contradicted
Ferrero's workforce never went on strike in over 70 years
“And remarkably in over 70 years of operations, Ferraro's workforce never went on strike, which was unheard of at the time and in the location, which he's building his company, a virtually unheard of record in their industry.”
David Senra Jun 24, 2025 ▶ 12:37 Michele Ferrero's $40 Billion Privately Owned Chocolate Empire
Assertion Supported
Citadel is historically the most profitable hedge fund of all time
“So the wonderful history of Citadel is how we are the most profitable hedge fund of all time.”
David Senra Apr 22, 2025 ▶ 31:40 Ken Griffin: Founder of Citadel and Citadel Securities
Assertion Supported
Michael Ovitz returned Coke's $10M check and renegotiated a $31M payment
“He says, they sent me a check for ten million for the ads. I returned the check with a post-it note attached. Hey, let's discuss this. We did, and they wind up talking to the people at Coca-Cola. I was friendly but unrelenting, and they finally sent me a new c…”
David Senra Mar 21, 2025 ▶ 1:20:06 The Rise and Fall (and Rise) of the Most Powerful Man in Hollywood: Michael Ovitz
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