Overview: Former basketball coach Donnie Tyndall talks to Armen Keteyian about his tenure at University of Southern Mississippi amid charges of academic fraud on behalf of prospective players. Sharyn Alfonsi follows Lindsey Vonn on the rebound from near catastrophic injury and on a quest to become the winningest skier in history. Plus, Seth Doane reports on the humble evolution of Technogym from a garage in Italy into the second-largest manufacturer of fitness equipment in the world.