Prof. Grosfoguel from the University of California Berkeley explains how the cold war between the US and the Soviet Union was fought in hot wars outside these countries. After the demise of the USSR there was a debate in the Pentagon on who the new enemy was. The debate ended with Samuel Huntington book on the Clash of Civilizations. See the video here: https://www.youtube.com/watch?v=mG5gBOIwSyo.