Or just vote the 'ins' out: 'pubbie or Dem, if they're up for reelection vote for the other guy. We need to get rid of the Democrats but we also need not to reward the Republicans for their years of shortsighted spending. Fortunately, since there're more Democrats than Republicans, we can do both.
You’ll still end up with the same crap, just a different smell. We need real third and fourth parties but the game is rigged.