Italy's Sovereign Debt and Corruption; U.S. Housing

July 21 (Bloomberg) -- Luigi Zingales, professor of finance at the University of Chicago's Booth School of Business, talks about the Italy's economy and sovereign-debt issues, and the need to address corruption in that nation's political system. Zingales, speaking with Tom Keene on Bloomberg Television's "Surveillance Midday," also discusses the state of the U.S. housing market. (Source: Bloomberg)