Alone Britain, Churchill, And DunkirkNo one can evince the drama of what actually happened at Dunkirk in the year 1940 with as "great narrative skill and superb delineation" (David McCullough) as Michael Korda, the historian and legendary book editor. As dramatized in Christopher Nolan's film Dunkirk, May 1940 was a month like no other: Germany's war machine blazed into France, the impregnable Maginot Line crumbled, and Winston Churchill replaced Neville Chamberlain as prime minister as