April 17, 2009 5:50 am Zac Efron Is Back in School in “17 Again” After starring in three “High School Musical” films, Zac Efron is back to high school to play the teenage version of Matthew Perry in “17 Again.” 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