Update: Now it looks as if it could be Evan Bayh. More here.
The fact Obama has held off until the last minute to announce his running mate would seem to auger well for Hillary Clinton. In the last few days, it has become more clear that McCain is catching up. Having Hillay behind him could probably give Obama far more electoral support than any other pick. He needs Hillary's legions of working-class supporters -- voters Obama has yet to win over..
Obama is in trouble. According to the Democratic Party's pollster, among independent voters, Obama led polls by 14% a few months ago, but today, among independents, he is behind McCain by 10%.
There is certain excitement about combining Obama and Clinton on the one ticket. Call it the "fire and ice" factor. I think if Obama truly believes Hillary will help him to secure his victory, he will pick her.