When war burst over Europe's dam in 1939 many a wishful-thinking strategist offered a simple, temporarily sensible formula: let Allied planes load up in France, drop their bombs on Germany, land in Poland, reload, shuttle back to France.
Last week, 55 months later, no such shuttling had yet occurred, but it had become physically possible again—on two widely separated fronts:
Poland. More than 500 of Lieut. General James H. Doolittle's Eighth Air Force bombers flew 700 miles from England to hit fighter-producing factories in Posen, Poland. When they turned beyond their targets they were only 300 miles from the Polish battleground where...