Democrats are fired up after a close race in the Tennessee Special Election. And Democrats call for an investigation into Sec. of Defense Pete Hegseth's strike orders. Rep. Jamie Raskin, Rep. Robert Garcia, and Sen. Adam Schiff join Lawrence O'Donnell.

After a classified briefing on the Sept. 2 boat strikes on an alleged Venezuelan drug boat, Democratic Sen. Mark Warner says he believes the survivors of the first strike were "incapacitated." And Donald Trump's tariffs are negatively impacting U.S. businesses. Sen. Mark Warner, Lt. Gen. Mark Hertling, and Rep. Brendan Boyle join Lawrence O'Donnell.