stepping out unrecognized to get pizza. this is a pope who's been immortalized in cake in chocolate. who knew chocolate could look so slimming. the pope is known to suffer from lower back pain and sciatica worsened by weight. officially the vatican had no comment. unofficially we hear the pope's doctor deny talking to the press. still, size doesn't stop the pontiff from being a non-magnet. they are going to eat him alive, commented the cardinal. a weight loss clinic director once held a five pound model of fat to make a point about pasta. this pope could wear anything and people would still go crazy. at least there's plenty of him for a kid to hold on to. jeanne moos cnn, new york. ♪ oh happy day ♪ >> come on he's got to give up so many things.