Why these reporters spent 18 months in a Burmese jail

After nearly 18 months, two Reuters journalists have left prison in Myanmar. The crime that put them there: Revealing information the country’s government wanted to suppress, about its persecution campaign against Myanmar's Rohingya Muslim minority. John Yang talks to Priscilla Clapp, a former U.S. diplomat who served as chief of mission in the American embassy in Myanmar, about the developments.