Exploring the popularity and profitability of reality television in the U.S. Programs profiled include "Jersey Shore," "The Real Housewives" franchise, "Celebrity Rehab," "The Biggest Loser," "Project Runway" and "Cake Boss." There are also segments on casting for reality shows and outside earnings potential for reality stars; and Bret Michaels discusses his transformation from pop star to reality star. Chris Connelly and Deborah Roberts report.