From the raucous tea party rallies to the painful sacrifices families are making behind closed doors, voter angst and anger are sweeping the country like a storm. Directly in its path: the 2010 midterm elections. NOW examines the strong impact this groundswell has already had on electoral politics, and what we can expect in November. Our investigation uncovers what motivates people who've come together under the tea party banner, and how a larger dissatisfaction among voters spells trouble for incumbents in both parties, some of whom have decided to avert the storm by leaving Congress altogether.