Lawrence: Trump's letter threatening Greenland is 'too stupid for even him'

Tonight on The Last Word: Donald Trump threatens tariffs on eight European countries. Also, a federal judge limits ICE action against Minneapolis protesters. Plus, millions of Epstein documents remain unreleased by Trump’s Justice Department. And Trump fails to deliver on his promise to lower health care costs. Sen. Sheldon Whitehouse, Rep. Ro Khanna, and Sherrod Brown join Lawrence O’Donnell.