Looks like Backstreet Boy Nick Carter is trying to make over his image - with a United Nations gig. Carter will be helping raise awareness of threats to the survival of dolphins in the wild for the U.N. Environment Programme, the Convention on Migratory Species, and the Whale and Dolphin Conservation Society. "People like Bono, Angelina Jolie, and Nicole Kidman have inspired me to put my celebrity to good use," Carter says. "I have the advantage of reaching multiple ...