Russia has said it had test-launched its Sarmat intercontinental ballistic missile, a new addition to its nuclear arsenal, which Vladimir Putin said would give Moscow’s enemies something to think about. The Russian president was shown on television being told by the military that the missile had been launched from Plesetsk in the north-west and hit targets in the Kamchatka peninsula in the far east. “The new complex has the highest tactical and technical characteristics and is capable of overcoming all modern means of anti-missile defence. It has no analogues in the world and will not have for a long time...