Agreeing to disagree

I can somewhat understand Obama's choice of gay hater, Rick Warren, to give the invocation; it's a hand out to evangelicals (though how he thinks they'll accept it from a president they consider a "holocaust denier," I dunno), and Warren's done good work in Africa.

But I think there is one argument I've heard that trumps all others, pro and con. Obama would not, under the guise of "dialog," have thought of inviting an inveterate racist preacher.