Before Adolf Hitler killed himself in April 1945 he explained to his aides that he was determined not to fall into the hands of the Russians — and land up as the freak exhibit in a Moscow waxworks. As luck would have it, Hitler — or, at least, a waxen effigy — has now been put on display in Berlin, a short stroll away from his former bunker. Thanks to Madame Tussauds, which has just opened a...