Gunter Pleuger; U.N. Resolution on Iraq; Miguel Nicolelis; Yo-Yo Ma

Gunter Pleuger, Germany's Ambassador to the U.N., shares his thoughts on the Security Council's unanimous vote for the resolution on reconstruction plans for Iraq and the restoration of sovereignty. Senators Joe Biden and Chuck Hagel explain how the decision legitimizes the U.S. presence in Iraq and allows for multinational participation. Duke University neurobiologist Miguel Nicolelis explains his breakthrough brain implant, which allows a monkey to control a robotic arm with only its thoughts, and the impact it could have on people with spinal injuries. Cellist Yo-Yo Ma introduces his CD "Obrigado Brazil," an exploration of Brazilian sounds and rhythms, and explains how playing new kinds of music makes him a better cellist.