Joe Biden is the oldest presumptive nominee in history. Of the previous five oldest nominees only Reagan was able to win. Biden’s historic victory in the Democratic primary and his early declaration that he would select a woman, has placed considerable attention on his choice. Who is most likely to win the sweepstakes? Who should be the selection? How is Biden making his pick and why will he select his running mate? And most importantly, what will happen after he makes up his mind?