On the positive side, my friend reminds me that Warren did not ask a single question about the Environment (though McCain did bring it up once).
This is true, but does not undermine my belief that his promotion advances the cause.
On the other hand, my friend also notes that Warren (a pastor, himself) did not ask a single question about Obama's former spiritual mentor, Rev. Wright. At the very least, this could have been a follow-up to his question about the three "wisest" people he'd ever met ...