Everything you need to know about the Catholic Church can be found in this one simple sentence from the Daily News:

And we thought that was the problem with his first marriage.

Yesterday, the Smoking Gun offered chunks of a "vulnerability study" from Rudy Giuliani's 1993 City Hall campaign that was originally obtained by the Voice's Wayne Barrett. Now, there are plenty of things that have always bothered us about "America's Mayor," but the whole cousin-marrying thing has always been right at…