Admiral Wilhelm Canaris was appointed by Hitler to head the Abwehr (the German secret service) eighteen months after the Nazis came to power. But Canaris turned against the F hrer and the Nazi regime, believing that Hitler would start a war Germany could not win. In 1938 he was involved in an attempted coup, undermined by British Prime Minister Neville Chamberlain. In 1940 he sabotaged the German plan to invade England, and fed General Franco...