Today is simple: Good versus evil. Once we're back to good, we can work on better. If too many people vote for better, good loses to evil. Simple math.
And that is exactly the way I see it. It's a two party system and there's no way to wedge a third in. Simple answer is to take over one of the parties from within. The corporate overlords are resisting it but it's still the weakest point in their defenses.