Second wave of mortgage crisis to come

In a segment on CBS that aired yesterday, 60 Minutes correspondent Scott Pelley talks to investment and credit experts about the new types of mortgages that will create a second wave of foreclosures. The country has already suffered the subprime mortgage crisis, and the experts say the next wave of risky mortgages to default are the Alt-A and option ARM mortgages, which were also bundled into Wall Street securities and sold to investors.