Wynton Marsalis; Gary Locke; Thomas Caplan

In honor of Martin Luther King, Jr. Day, Charlie shares a video tribute to the civil rights leader, by jazz musician and CBS contributor Wynton Marsalis. U.S. Ambassador to China Gary Locke discusses censorship in China, sanctions in Iran, and China's relationship to the United States. Author Thomas Caplan talks about his thriller, "The Spy Who Jumped off the Screen" about a movie star turned spy.