September 21, 2019 12:30 am 'Tonight': The Longest Pong Host Jimmy Fallon tests how long he can keep up The Roots’ Tarik Trotter’s “longest pong” by hitting a ping pong ball with a paddle without letting it fall as he goes through his show prep routine. US & World Videos 3:26 Confrontations occur at UCLA campus amid ongoing protests 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