 Mr Biden argues that he was democratically selected by his party to be their candidate, so it would be wrong to surrender to what he calls the elites who want him to stand down. Elite or not, Congress resumed on Monday after a week-long break, and with all those Congressmen and women now ensconced together, it'll be easier for them to launch a concerted group effort to replace their candidate. Although, according to our North American correspondent Peter Bowes, that hasn't happened yet.