Our current leadership has plenty of political sway and has used it exclusively to enrich their backers. Our "two party" system is designed specifically to always facilitate this turn of events, regardless of which party is currently "in power". The politics of individual identify are irrelevant and serve only as a distraction for the public, in much the same manner as celebrity gossip publications or mass sports spectacles do. "Bush" or Obama" the result will always be the same as far as maximizing the corporate bottom line goes.
Part of what Snowden has done is expose this hypocrisy and how it seeks to consolidate its power using advanced technology. So his campaign, if it is to be, will have to be conducted from exile.