March of the Machines; Justice Sotomayor; Free Diving

Steve Kroft reports on technological advances, especially robotics, that are revolutionizing the workplace, but not necessarily creating jobs; In her first broadcast interview, Justice Sonia Sotomayor talks to Scott Pelley about her life and career leading up to her appointment to the U.S. Supreme Court, including the role affirmative action played; In a growing extreme sport in which divers reach great depths on one breath, records are being broken and doctors are increasingly surprised by feats never thought possible. Bob Simon reports.