Barack Obama's national security team is full of familiar faces, including Hillary Clinton at State and Robert Gates staying on at Defense. Along with former Marine Corps Commandant General James Jones at the National Security Council, they've had many public disagreements with the president-elect. As he introduced them today, the President-elect described himself as a strong believer in strong personalities and strong opinions. Cautioning against the danger of "group-think and affirming that he welcomed "vigorous debate inside the White House," he acknowledged that the buck stops with him. We hear about his so-called "team of rivals." Can they implement his vision for combining force and diplomacy?