I can't believe this is 2012 and people still have middle age beliefs.You Christians have all been brain washed.
Start thinking for yourself.....http://www.atheists.org/
Just pointing out some problems within you post. A) I'm Jewish B) Middle ages is around 700 CE, Judaism goes back 5700 years well before the middle ages.
But nonetheless, it does not really matter what we specifically think, religion is opinion based. While performing, Religion should be acknowledged or you risk losing gigs, ie money, the religion of today.
Don, Ben is right about this. No one cares about my beliefs as a performer. However, I better care about their beliefs as an entertainer. Kent, another magi has a youtube video of an act he does at the magic castle bar. He drops a LOT of "word" bombs and everyone thinks it hilarious. However, he better change his patter in any other setting. Ben is saying the same thing, we have to make sure that our act does not offend in any religious way if we perform for kids.