Extended Interview: Former Defense Secretary Robert Gates

Face the Nation Moderator Margaret Brennan went to Williamsburg, Virginia to interview former Secretary of Defense Robert Gates on how today's threats compare with those of the past. Before retiring from public service, Gates served under eight different presidents from both political parties. He's now the chancellor of William & Mary. The former secretary said we are facing aggressive nuclear powers, both in Europe and in Asia, collaborating like never before. He also discussed President Trump's trip to the Middle East and what current policy decisions mean for the broader region. This is an extended version of the full interview...