Mr.Skull and Bones has been grooming his political carrier since he was in college. He even confesed that that the war in Vietnam was an offensive war and that Vietnam could in no way pose a danger to America. And yet he fought in it, and fought quite savagely if the reports are correct. Even to his commanding officers back then, as I understand it, it was quite clear that whatever he did, he did so with the intent that it would further his political career somehow.
But wait, don't just listen to me. I've linked to an anti-Kerry article, and for a whole host of reasons, I'm pretty much anti-Kerry, but you should chec out the other side of that arguement, how he's a hero etc etc and judge for yourself. But keep in mind, and this goes for everybody, that according to Kerry's own officials, his goals are not very different than Bush's (namely, Empire), its just the implemenation that they disagree on. Like two princes fighting with each other for control of the kingdom. They will each try to rally the people to their side, but in the end, neither of them is interested in getting rid of the system that keeps them in power. Neither is interested in handing control to the people.