It's impossible to know what kind of history Mr. Obama has been reading but this much at least is true -- the generation he describes knew the importance of sturdy alliances all right. There was that one, for instance, between the American leader, Franklin Roosevelt, and the British, Winston Churchill. Both of them, along with their countrymen, were driven by one enduring conviction -- that fascism should be eradicated from the face of the earth and a total war of destruction waged on Imperial Japan and Nazi Germany until their surrender. It would be hard to find, in their pursuit of that purpose, any hint of that tempering quality of humility and restraint. Not that it isn't entertaining to imagine Roosevelt extending the hand of friendship and conciliation to Hirohito, or Churchill proposing to raise a glass and talk things over with Hitler.