Elon Musk and President Trump’s public battle over the GOP megabill escalates with nasty exchanges over social media. Then, how the ongoing feud cost Tesla $152 billion dollars in market value. Plus, what this feud means for the U.S. military and national security. Peter Baker, Jessica Yellin, Max Chafkin, John Harwood, Ron Insana, Paul Rieckhoff and Gene Seroka join The 11th Hour this Thursday.