I read this in a book yesterday, I though it was facinating.
It's a point of view.
US governement were aware at some point that Russia was having economical troubles. The Idea was to Bankrupt them.
1. USA made arangement with Arabia Saoudia so that they would boost oil production so that the oil barrel would go very low, which would make that Russia wouldn't make much profits of oil barrels.
2. Reagan did arm talibans in order for them to fight against communist and give them a whole bunch of troubles in the Afgan war. Which made that Russia lost a lot of money down there making this war.
3. And USA started this armement race (space race)(nuclear weapons) and all the rest. It did cost 7% of US PIB versus 20% for Russia.
At some point it became impossible for Russia to keep appearances and they economicaly collapsed.
Not bad hey? It sounds a little simplistic though.