'Dangerous, dumb, and un-American': Biden team torches Trump's latest NATO remarks

Rep. Abigail Spanberger joins MSNBC’s Lawrence O’Donnell to discuss Donald Trump’s “astonishing” repeated promises not to protect NATO allies. The Virginia Democrat says it demonstrates how “ill-equipped” Trump is to be president. On the House GOP failure to vote on aid for Ukraine, she says, “Our security is on the line.”