Cole Tomas Allen, the man accused of attempting to assassinate President Trump at the White House Correspondents' Dinner last month, has pleaded not guilty to all counts. MS NOW Legal Affairs Reporter Fallon Gallagher was inside the courtroom and shares more details. Former Manhattan Assistant District Attorney Catherine Christian joins Erielle Reshef to discuss the case. MS NOW: My Source for News, Opinion, and the World. » Subscribe to MS NOW: https://www.youtube.com/@msnow » Subscribe to MS