Now Playing: 04-24-12 Marketplace Morning Report

It's a big day for Election 2012, with primaries in five states. Marketplace's David Gura takes a look at why Wall Street might be switching teams this time around. The tourism industry in America teams up with the government for the first time to launch a global marketing campaign. After a rocky few weeks in the stock market, we find out today how Apple's earnings are doing. And in New York City, a look at the richest and poorest Congressional districts in the nation.