I hadn't realized she'd be performing "My Country 'tis of Thee". And damned if she didn't perform the hell out of it.
(Warren was surprisingly non-annoying too.)
(Though over at Kos there are a few who are quite annoyed that he specifically invoked Jesus; I thought it was tempered with that "America isn't about any religion" bit earlier, but I can see why it would be off-putting. It definitely surprised me considering that earlier line.)