9/11 anniversary: A conversation with the last survivor pulled from the wreckage

For Genelle Guzman-McMillan, the 9/11 anniversary brings back especially painful memories. Guzman-McMillan was the last person to be pulled out of the rubble of the twin towers alive. In a recent interview with Doug McKelway, she describes how her faith has given her strength and resolve in the aftermath of that unspeakable horror.