Most military historians have difficulty comprehending the miracle that took place in late 1941 and early 1942 in the Soviet Union. In the summer of 1941, the German Army routed the Red Army as it had routed the Polish, British, French and other armies in 1939, 1940, and early 1941. None had been able to withstand German might more than a few weeks. When Hitler invaded the Soviet Union in June 1941, his legions quickly overcame the Soviet divisions...