New START, the only remaining nuclear arms control treaty between Russia and the US, is set to expire this week Russia’s offer to extend the last major nuclear arms agreement with the US, the New START treaty, for one more year remains valid, former President Dmitry Medvedev has stated. The agreement is set to expire later this week.  Medvedev, now deputy chairman of Russia’s Security Council, told reporters on Monday that Moscow’s proposal “remains on the table, and the treaty has not even