Episode 158

Donald Trump's Iran war nears six months as his hold on the GOP is tested in key races. Also, Democrats campaign on Trump's unpopular war and economy. Plus, Democrats renew a lawsuit challenging Trump's mail-in voting order. And Canada retaliates with up to 50% tariffs on U.S. products. Ali Velshi, Ben Rhodes, Iowa State Rep. Josh Turek, Andrew Weissmann, and Rep. Brendan Boyle join Lawrence O'Donnell.