There's always a distinct smell in the air around election time, and not just around the slaughterhouse when they're rendering pig snouts. Take a deep whiff. Hmm, what is that stench? But of course! The sweet malodor of stagnation.
"But Tylor," you may say, "our two party system recycles itself every 20 years or so when people figure out the party in power seems to have done nothing but drop LSD through their eyeballs and eat crayons for said 20 years. That's plenty of variety and change!"