T I Singer

It's been hard to avoid the music of rapper T.I. over the last year, with his No. 1 hits "Whatever You Like" and "Live Your Life" blaring from nightclubs, iPod headphones and car stereos everywhere. But starting Tuesday night on MTV, the hip-hop star will try out a new role as a sort of celebrity guardian angel who tries to scare kids straight. In the reality series "T.I.'