Or maybe it's not the tea party. Maybe it's rising party polarization. Or the structural dysfunctions inherent in a political system like ours.
In recent weeks Wonkblog has spent a lot of time working through the question of whether America's political system is changing in ways that make America a worse investment long-term. But we want to open the question to you.
Hence the Wonkblog Crowdsourced on the topic. Go there and give us your answers. We'll publish and comment on the best of them next week.