De-classification of British and American archives, some made public as recently as October 1999, and interviews conducted by Charles Whiting in the years since World War II, now make it possible to assemble an unprecedented account of German espionage in World War II, included the stealing of the U.S. Norden bombsight, the campaign of deception preceding the Battle of the Bulge, and successful spying operations against U.S. Vice-President Henry Wallace and Winston Churchill.