Deception at Duke, India's Gold, The year of Adele

Deception at Duke - Scott Pelley reports on a Duke University oncologist whose supervisor says he manipulated the data in his study of a breakthrough cancer therapy. India's Gold -The demand for gold in India accounts for an amazing 32 percent of the worldwide market for the precious metal. And no wonder. The most important tradition at nearly all the 10 million annual weddings in India is the lavish gold jewelry. The year of Adele -Her second album has sold nearly 18 million copies worldwide, putting the British singing sensation on top of the charts and up for six Grammys. Anderson Cooper talks to Adele about her success and the vocal cord surgery that saved her voice.