Now Playing: 02-28-12 Marketplace

As many Americans head to the polls next week for Super Tuesday, we look at just how much the economy does -- or doesn't -- affect elections, and the economic issues that have impacted recent presidential races. We continue our coverage from the new Wealth and Poverty desk by exploring the middle class in America. And we look at why NASCAR should thank the rain, the business of reality TV casting, and a good reason why you should name your kid something simple.