Lingering Questions

After 21 months of campaigning and one historic Tuesday in November...

They were written in advance, so what did the other speeches sound like? How does change fit into an Obama concession speech, and what would have been McCain's oratory path to unite the country?

How would the race have been different if McCain had chosen from his list of potential VPs:
Former Governor Tom Ridge (Pennsylvania) or
Former Representative Rob Portman (Ohio) or
Governor Charlie Crist (Florida) or
Governor Tim Pawlenty (Minnesota) or
Senator Joe Lieberman (Connecticut)????