The very first seed was really in the great Polish crisis of 1980-81, because it seems to me they were losing their nerve. Much earlier, they had that problem in Czechoslovakia (and) they didn't hesitate. They just decided to invade. With Poland, they could have invaded, but again it seemed to me that they were not ready to continue to defy world opinion. And to me this was a serious psychological sign of weakness.
Brian Crozier