Grover Furr on Leon Trotsky's anti-Stalinist activity

https://rutube.ru/video/5935b0dac27cdef82259ab0e2b7bd894/

Grover Carr Furr III (born April 3, 1944) is an American professor of Medieval English literature at Montclair State University, best known for his books on Joseph Stalin and the Soviet Union. He has published many books on this subject.