Dan Rather; Jim Gray; 'TIME: Backbone of America'

A conversation with Dan Rather about the state of Hong Kong, after the transfer of power from British back to Chinese leadership. A conversation with reporter Jim Gray, who covered the now infamous Tyson-Holyfield fight. Time Magazine's Walter Isaacson, Diana Walker, Nancy Gibbs, and Michael Duffy describe the U.S. bus tour they took, which led to the special Time Magazine edition "Backbone of America."