Peter says you have to choose about the Pope: is he the anti-Christ or is he who is says he is: the successor of Peter and the bearer of the keys of the kingdom. You can’t just think he’s a nice guy and a good Christian leader. Once you start thinking about it you have to eventually make a choice.
Convert Peter has a great little post about the Pope. Like that song from Oklahoma! “With me it’s all or nuthin’, is it all or nuthin’ with you…”