I've never understood the term "Born Again Christian". My new mother would need to be some size!!!
I accept we're not being PC but we are being funny and so long as we are able to laugh at everyone with equal vigour then it's all ok surely.
The "Jewish" jokes are told in Scotland but replace "Jewish" with Aberdonian as people from that city are supposed to have short arms and deep pockets. Would that be acceptable? It's not racist.
The best Irish jokes are told by the Irish but that should not stop anyone repeating them should it? Or are we only going to be allowed to tell jokes about our own ethnic and/or religous backgrounds? What would the Andorrans do???