Lawrence: Trump says 'I don't know' when asked about the war in Iran he started

Tonight on The Last Word: Donald Trump fails to make a deal to end his war in Iran. Also, FBI Director Kash Patel is under scrutiny for his taxpayer-funded spending. Plus, a new poll shows Democrat Dr. Amy Acton tied with Vivek Ramaswamy in the Ohio governor’s race. And gas prices rise after Trump says the Iran ceasefire is “over.” John Kirby, Ken Dilanian, Dr. Amy Acton, and Rep. Brendan Boyle join Lawrence O’Donnell.