He could have become a Democrat and probably gotten the nomination. He chose not to. He probably thinks that his best chance is to stay a Republican and run four years from now, if he decides to run.[/quote]
Or maybe he finds just as many objectionable things about the democratic side as the republican, but (rightfully) realizes his clout within the party, were he to switch, would decay pretty damn quickly.
Just a guess, but I’m betting the party McCain wishes he had is neither republican nor democrat in its current incarnation. I know I feel the same way, personally.