Lil Wayne challenges Wiz Khalifa and Snoop Dogg

By The Hip Hop WriterHip Hop Vibe Staff WriterLil Wayne has been all over the place since being released from prison. Barely a month after his release and Lil Wayne was already working on Tha Carter IV. The first single from the album, "6'7," has become a major hit.With the Super Bowl coming up tomorrow, Lil Wayne has been getting into the spirit. Long before the Super Bowl, Wiz Khalifa created