The Kremlin’s ongoing threats of using nuclear weapons against Ukraine and its allies are aimed in part at deterring Western aid to Ukraine,the Institute for the Study of War (ISW) assessed in their daily report on Feb. 7. In its assessment, the ISW refers to comments made by Russian Security Council Deputy Chairman Dmitry Medvedev on Feb. 7, in which Medvedev suggests that if a conflict between Russia and NATO were to occur, Russia would level the playing field by using “ballistic and cruise missiles carrying special warheads” — referring to nuclear warheads. According to the ISW, Russia’s sa…