Well, it looks like Republicans have chosen the least of 8 weevles as their frontrunner and likley nominee.
There's plenty of reason why Dems should rejoice that Republicans have chosen McCain, and here's some decent strategerie on how Dems will likely mount an aggressive anti-McCain challenge.
It's not a walk, by any means, but Democrats can be thankful that they will face a weakened, divided, under-funded, and demoralized Republican party, who have chosen as their standard-bearer a right-wing ideologue in the mold of the least popular president in American history.