You are being absolutely ridiculous! Please take a look at the link below which has the DNA results for Alan dershowitz, Tony Kushner, Bill Maher and their Ashkenazi DNA traces to Central-Eastern Europe. Why do you think that is? DNA is never wrong and anyone who says that DNA is wrong has got to be someone who is insane.
ia801200.us.archive.oRg/25/items/3-famous-jews-dna/3%20famous%20Jews%20DNA.pdf