Rudy Giuliani has a Catholic problem and it’s not, strangely enough, that he was raised as a Roman Catholic, considered becoming a priest, then dumped his second of three wives on television and has been photographed in a dress. Rudy’s Catholic problem is this: he is pro-choice, and 63 percent of white Catholics who go to mass weekly are not. This is a small activist group, yet they are determined, it seems, to see the former mayor fail. Before the Iowa straw poll in August, Fidelis