April 14, 2009 11:02 pm Zac Efron's “17 Again” Screening Zac reacts to his new Seventeen magazine cover and chats about what it was like playing an adult trapped in a kid’s body. US & World Videos 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 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:36 O.J. Simpson's cause of death revealed 25:57 WATCH: ‘Changing Climate' highlights the Philly-area residents who are combatting climate change