July 23, 2015 3:05 am ‘Tonight' Norm Macdonald Does His Johnny Carson Impression Norm Macdonald Does His Johnny Carson Impression on ‘The Tonight Show’ Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 0:44 At least 5 shot along Connecticut Avenue in Dupont Circle 1:36 O.J. Simpson's cause of death revealed 2:36 Super dad makes Mario-themed obstacle course for son's birthday