Have you actually tried playing "The Bum Game"?
Personally, I don't think it's a bad idea. Look at it. It shows people the reality others face.
Whatever. It's like a five minute thing. Everyone's finding way too much symbolism to freak out about. Jeez people. Warren's reading a few lines, it's not like he's been chosen to do policy work. It should be Obama's choice for his own reasons. And don't you think Obama has enough expectations to deal with?
Interesting article here: http://www.catholicregister.org/content/view/2468/852/