February 8, 2012 9:18 am Zac Efron Takes On “Dr. Seuss' The Lorax” Zac Efron chats about why he wanted to take part in the new animated movie, “Dr. Seuss’ The Lorax.” Also, how tough was it for Zac to voice a 12-year-old boy? US & World Videos 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:43 World reacts to death of Iran's president 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 0:33 Man steals school bus near Tampa, then drives it to Miami: FHP