Here is an interesting take on the prevailing belief around here that the longer the democratic primary goes on, the worse off our democratic candidate will be. This article suggests otherwise:
The first thing McCain needs is for the Democrats to find a nominee. There's a lot of bad conventional wisdom percolating that this drawn out fight is good for McCain. It isn't... at least not yet.
There may be a point where it is good for McCain, say if the fight actually goes all the way to Denver, but short of that, he needs an opponent, badly.
The article goes on to suggest that the democratic nominee, once chosen, will get a big poll bounce from which McCain will need time to recover. In addition, his campaign will lack direction (in terms of message as well as geography) until he knows who he is up against.