He really was winging it with a smaller database to work with than we have today.
Good intuition and instinct I reckon.
He was enthusiastic about Russia, of course back then the feeling was that there must, logically, be a "Peace dividend" following the collapse of the USSR. What ever happened to that?
And, the McCarthy era has been undergoing some revision.
FWIW
http://homepage.mac.com/kaaawa/iblog/C2 ... index.html