I think many people feel your frustration. Politics has always been a dirty game.

You might want to see the CNN special,"Path to the White-house." The good news is our crazy system of government has to date prevented the rise of a dictator. I'm not sure if that is planning or just LUCK. We have had several close calls. In my view, that would be LINCOLN-suspended the constitution, FDR-vastly expanded government power. Actually several bills written by FDR were declared unconstitutional, Obama-vastly increased presidential power. bought companies with AMERICAN taxpayer money.
Sold Chrysler to Fiat. Chrysler was not Obama's to sell.
Aside, FIAT itself was in financial trouble AND THEY PAID NOTING FOR CHRYSLER.

There is no shortage of swamp draining to do. The trouble is the people who need to drain the swamp would need to pass legislation that would end their comfortable, very profitable CURRENT EXISTENCE.

As a voter, you can either not vote which makes people who do vote more powerful, vote for a party that has no chance at all of winning or voted democratic or republican.

If, I read what you are thinking as you wish to support a third or a forth or???????? party system in countries where that is done to elect a president- a prime minister, you need to have multiple coalitions to get someone elected.
THAT TOO IS A CRAZY MESS