I can assure you, If Russia could afford to put nukes in space, they would already be there pointing toward the U.S.==
Nukes in space? What is the problem to put them there?
Do you know that Soviet Union had military orbital station SPITAL in 1980th. Station carried missiles and cannon to shoot down sattelites.
Soviet Union scapped station because the accord of demilitarization of space. Now Russia can recall old project and refinish it if United States will destroy that accord.
Hello, Russia is broke. They can't even keep the electricity on over there.