Releasing gorillas back into the wild

A U.K. conservationist has strong feelings when it comes to the preparedness of the animal kingdom's finest to head back into the wild. "60 Minutes" correspondent Lesley Stahl joins CBSN’s Elaine Quijano and Michelle Miller with a preview that looks at the behavior of gorillas heading back to the wild. And she shares some incredible insight into which gender is leading the pack.