Idiocy (and a complete lack of core principles) is supporting a liberal Republican just because he has an R behind his name.
No wonder you are a fan of Mittens.
Yes, you really do not understand how our government works. The party in power decides what is voted on...decides Supreme Court nominees and other Federal judges. They decide what regulations pass, what bureaucracies grow, etc. You really need to think some before you react.
The absolutely worse thing we can do is enable the democrat party to consolidate their power in this next election. If you cannot understand that, then please try to trust those who do.