How many of them are there?

Mark Foley is only the latest example of those who do not practice what they preach. And, often, these people are put in charge of protecting people from the depredations of sick people. Beware the crusader of all types - be he or she Christian, Muslim, Jewish, Sikh, Hindi, Confucian, Shinto, whatever. THey are all convinced of our evil, seldom of their own.