Flying home from London, where the subject of formal debate on the 70th anniversary of World War II had been whether Winston Churchill was a liability or asset to the Free World, one arrives in the middle of a far more acrimonious national debate right here in the United States. At issue: Should Barack Obama be allowed to address tens of millions of American children, inside their classrooms, during school hours? Conservative talk-show hosts saw a White House scheme to turn public schools into indoctrination centers where the socialist ideology of Obama would be spoon-fed to captive audiences of children...