Stephen Sackur is in Moscow for an exclusive interview with Russia\u2019s foreign minister Sergey Lavrov. In recent days the world has been alarmed by the very real possibility of a direct military confrontation between the United States and Russia. Syria is of course where the current tensions are highest, and where missiles have been fired, but the hostility is deep-seated on a number of fronts. We\u2019ve had diplomatic expulsions, sanctions, there\u2019s talk of a new cold war. What is Russia\u2019s next move?