Democratic vice presidential nominee Joe Biden has - and this is so unlike him - made another gaffe: "Campaigning in Virginia today, Biden accidentally demoted Palin from governor to lieutenant governor," NBC news reports. Here's the quote: "And the other thing I heard, I heard a very - by the way, I mean this sincerely - a very strong and a very good political speech from a lieutenant governor of Alaska, who I think is going to be very formidable, very formidable."