President Trump's latest tariffs are followed by the worst one-day loss for the markets since the pandemic. Then, POTUS gets rid of three National Security Council aides after an Oval Office meeting with far-right activist Laura Loomer, who pushed for the firings. And, a Pentagon watchdog is now investigating Pete Hegseth's Signal chat blunder. Brendan Greeley, Max Chafkin, Justin Wolfers, Peter Baker, David Jolly, Representative Jake Auchincloss, Mayor Freddie O'Connell, Mayor Tim Keller, and Mayor Leonardo Williams join The 11th Hour this Thursday.

President Trump says he is sticking by his tariffs while the stock market plummets and the DOW slides an additional 350 points. Then, a look at how business leaders and Republicans in Congress are responding to the economic chaos. And, a discussion with the small business CEO who is the first to bring a lawsuit against the White House over the President's tariffs. Susan Glasser, Bharat Ramamurti, Ron Insana, Charlotte Howard, Teddy Schliefer, and Emily Ley join The 11th Hour this Monday.