<< Nobody.
Because the front-runners suck and anyone else is, unfortunately, a waste of time. >>
This is exactly why 3rd parties can't compete. About half of the eligble voters in this country don't vote. If everyone who didn't vote, or wanted to vote for a 3rd party but didn't because they "couldn't win" would simply vote the way they wanted instead of voting strategically, a 3rd party candidate would stand a good chance of being elected.
Hello? McFly? Is anybody home?