President Trump faces a major setback in his autocratic agenda after a federal judge ruled that his deployment of the National Guard and Marines in Los Angeles is illegal. MSNBC’s Ari Melber reports and is joined by former Mueller probe prosecutor Andrew Weissmann. (Subscribe to Ari’s YouTube now: http://youtube.com/arimelber) Our next MSNBC Live event is on October 11th in New York City! Buy Tickets Now: msnbc.com/live25 For more context and news coverage of the most important stories of our