Sitting behind steel and glass in a cramped room on Florida's Death Row, Michael Rivera is unable to answer this question to save his life: What can he do to prove he's innocent of killing a little girl? "If I could do that I would have done it already," says the 38-year-old Rivera, who has spent the last 14 years locked in maximum security awaiting death in the electric chair. "That's like me trying to prove to you... More >>>