Executive producer Gale Anne Hurd chats with Access about the second half of Season 3 of "The Walking Dead." Who's crazier right now -- The Governor or Rick? Plus, what will happen when they finally face off? And, how did former NFL star and "Dancing with the Stars" champ Hines Ward land his cameo as a zombie on the show? "The Walking Dead" returns Sunday, February 10 at 9 PM on AMC.