Rapper 50 Cent arrives at CNN Heroes at The Shrine Auditorium on Sunday, Dec. 2, 2012, in Los Angeles. (Photo by Dan Steinberg/Invision/AP)

FILE - In this Sunday, Dec. 2, 2012 file photo, reporter Anderson Cooper arrives at CNN Heroes at The Shrine Auditorium in Los Angeles. Cooper says a reporting assignment turned into a temporary blindness scare. On his talk show Tuesday, Dec. 4, Cooper said he was in Portugal last week working on a story for "60 Minutes," spent two hours on the water and then suffered a 36-hour loss of sight. (Photo by Dan Steinberg/Invision/AP, File)

Rapper 50 Cent, right, and actor Adrien Brody arrive at CNN Heroes at The Shrine Auditorium on Sunday, Dec. 2, 2012, in Los Angeles. (Photo by Dan Steinberg/Invision/AP)

FILE - In this Sunday, Dec. 2, 2012 file photo, reporter Anderson Cooper arrives at CNN Heroes at The Shrine Auditorium in Los Angeles. Cooper won't be in Buffalo, N.Y., to celebrate the city's heritage on Dyngus Day, a holiday that made his show's "Ridiculist" and left him giggling uncontrollably on the air last year. (Photo by Dan Steinberg/Invision/AP, File)