Ive been saying that since I was a teenager more than 50 years ago.
Not just as an opinion, but based on what he was saying and how it all seemed to add up.
If I recall correctly, much of what Joe alleged was verified by documentation that came to light after the fall of the Soviet Union.
Im not sure of all the details because, of course, there was scant reporting on it in the msm.
The media knew it all along. They were complict then as now, only more under the radar.
Now they don’t even bother...................
He has access to the decoded Venona intercepts, and was unable to unmask spies with 100% accuracy lest the Soviets suspect. It was unfortunately necessary to falsely accuse some.