Reality has a way of intruding,interfering with political hopes and ambitions. The realities of the past week in Egypt and Libya are so clear that they have propelled at least a few European liberals to what they surely regard as an ugly realization that challenges one of liberalism's most precious dogmas. Since the beginning of the Cold War,liberals here and abroad have always wanted to cut the American superpower down to size. America,in their view,should submit its foreign policy to the learned guidance of its betters among the EUnuchs and the UN. The U.S. should be made to reform,to end...