Tonight on The Last Word: Concerns grow over the GOP-led elections board in Georgia. Also, the Montana seat may be key to Democrats keeping Senate control. Plus, Donald Trump makes a bizarre claim that nuclear weapons are the biggest threat to the Michigan auto industry. And Vladimir Putin is accused of war crimes against Ukraine. Sen. Raphael Warnock, Sen. Jon Tester, Shawn Fain, and Oleksandra Matviichuk join Lawrence O’Donnell.