September 3, 2015 12:40 am ‘Tonight Show': Justin Bieber, Questlove Drum-Off Justin Bieber and The Root’s Questlove have a rematch of their 2010 “Late Night with Jimmy Fallon” drum battle on “The Tonight Show.” US & World Videos 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 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