The two men spoke by phone on Tuesday . Medvedev congratulates Obama on Senate approval of the nuclear treaty . The Senate passes the treaty unanimously on a 71 - 26 vote . The treaty will bring back inspections and limit each nation 's warheads and launchers .
The two presidents spoke by phone on Thursday . Medvedev congratulates Obama on Senate approval of the nuclear treaty . The Senate passes the New START on a 71-26 vote . The treaty will bring back inspections and limit each nation 's warheads and launchers .