4. Going into the debate at Lynn University in Boca Raton, Florida, Obama had an inbuilt advantage on foreign policy and security. As president, with access to daily briefings by intelligence analysts, diplomats and generals, he is better briefed and it showed as he dominated Romney in the first half of the debate.
It remains the world's largest country and the largest oil producer. It retains its permanent seat on the UN Security Council. Its nuclear arsenal (in Cold War times one of five countries, but now one of nine) has been progressively modernised. Sustained increases in defence spending have brought it close to its goal of escalation dominance in local and regional war.