Historians don't really like to carry on speculative debates, but you could certainly argue that the likelihood of a Soviet invasion of Western Europe was extremely, extremely low.

U. Ames was initially "terrified" at the prospect of taking the test but he was advised by the KGB "to just relax. Several members of his family were involved in his spying activities as well.

Aldrich Hazen Ames (born May 26 1941) is a former Central Intelligence Agency counter-intelligence officer and analyst who in 1994 was convicted of spying for the Soviet Union and Russia. So far as is known Ames compromised the second-largest number of CIA assets—fewer only to those betrayed by Robert Hanssen.