1 for the road

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📚 1 for the road: Epstein reading room

Photo: Amir Hamja for The New York Times All 3.5 million pages of the Epstein files have been printed, bound and put on display at an art gallery in Lower Manhattan's Tribeca neighborhood, in the "Donald J. Trump and Jeffrey Epstein Memorial Reading Room." The files — organized in 3,437 volumes totaling more than eight tons — are located blocks from the jail where Jeffrey Epstein was found dead in 2019, the N.Y. Times' Jesse McKinley notes. Keep reading (gift link).

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🚆 1 for the road: New Amtrak spotted

Amtrak's Airo train in Seattle. Photo: Amtrak One of Amtrak's new Airo trains arrived at Seattle's King Street Station during a test run this past weekend, Axios Seattle's Melissa Santos reports. The trains — which should start carrying passengers later this year — can travel up to 125 mph. Inside an Airo train. Photo: Amtrak They'll run on routes including the Cascades, Northeast Regional, Empire Service and more. All aboard!

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1 for the road: D.C.'s big party summer

Crews build out Freedom 250's Great American State Fair on the National Mall. Photo: Andrew Harnik/Getty Images Downtown D.C. is in for one of its biggest summers in recent memory, with World Cup events, America's 250th birthday celebrations and more, Axios D.C.'s Anna Spiegel reports. ⚽️ FIFA and Freedom 250 organizers are launching a World Cup Fan Zone on the National Mall. It'll have live match screenings, food and interactive exhibits (June 11–July 19). A rendering of the giant Ferris wheel coming to the National Mall. Image: Courtesy of Freedom 250 🇺🇸 That overlaps with the "Great American State Fair," an Americana-themed festival channeling the World's Fair (June 25–July 10). Performers include Martina McBride, Vanilla Ice, Flo Rida and more. Visitors can also expect a 110-foot Ferris wheel overlooking the Mall. 🏎️ Finally, Aug. 22–23 brings an IndyCar race around downtown D.C. Go deeper ...

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🇺🇸 1 for the road

Photo: Anna Moneymaker/Getty Images Construction is underway along the full length of the National Mall for celebrations of America's 250th birthday, 28 days from now.

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🤖 1 for the road: How to use AI "loops"

Illustration: Brendan Lynch/Axios Axios CEO Jim VandeHei writes in his weekly C-Suite newsletter: The most important concept in AI right now isn't agents — it's "loops." 👩‍💻 The smartest builders have stopped prompting AI directly. They design systems called "loops" that prompt AI automatically, check the results, remember what worked and improve with every run. My version that helps surface ideas for my newsletter: I ask for vital, verified info for CEOs. Then my agents scout, research and cite. I judge what matters. A story repository stores that judgment and improves. And my next brief starts smarter than the last. 🔑 That self-improvement aspect is the key. Every cycle, it gets a little better — or a little worse, depending on what's in the judgment layer.