According to Pew

So, I'm an atheist and Jewish therefore I know more about religion than the righteous.  

http://www.pewtrusts.org/news_room_detail.aspx?id=60976

"Know thy enemy."

Sorry, that may have been too strident.  How about:

"All the better to trip them up" (Wolf of Hooded Red Rider Fame and my middle name (for real!))

Oops, still too predatory...

"I enjoy evaluating the irrational."  

(That's better, passes "truthiness" test.  And, has a 4 syllable word, definitely will be "Passed Over" if ya know what I mean...)

Just the thing, my new signature...

Frish

I enjoy evaluating the irrational.