Just how in hell do these people keep getting past all of the supposed "safeguards", and ending up in contact with young children.
Silly question really, of course it's because the Teacher's Union is out running interference for them. One of these days the Union is going to be held accountable for thier teachers, the same way the Catholic Church is being held to account for the conduct of some of its priests.
Read about th einfiltration of the Catholic Church, they found a place to hide and destroy the church, their greatest enemy!!
http://www.cfpeople.org/Apologetics/page51a080.html
http://www.catholicplanet.com/articles/article44.htm