Yasser Arafat Panel; Arthur Levitt; Dr. Oliver Sacks

Palestinian legislative council member Hanan Ashrawi and former ambassador Richard Murphy debate the future of Yasser Arafat. Arthur Levitt, former chairman of the Securities and Exchange Commission, discusses his testimony regarding the collapse of Enron. Dr. Oliver Sacks talks about his latest book, "Uncle Tungsten: Memories of a Chemical Boyhood."