“PROPAGANDA, PROPAGANDA, PROPAGANDA,” Adolf Hitler once wrote, “all that matters is propaganda.” When it came to employing propaganda, the Fuehrer was obviously on board. Dedicating two chapters of “Mein Kampf” to the subject, the patron of the art that brought us Leni Riefenstal and Joe Goebbels became a propaganda champion after watching Germany’s trouncing in World War I, which came in no small part because of British propaganda efforts directed against it by the not-so-subtly named “Ministry for the Destruction of the German Confidence.”