In 1946, Hans J. Morgenthau, a German-Jewish émigré, burst onto the American intellectual scene with “Scientific Man vs. Power Politics.” The book demolished the illusion that international politics could be reduced to technocratic reason. What you get in global life, he argued, is the will to power writ large. He soon became the father of Cold War realism. As Henry Kissinger remembered : “nobody could ignore him.” The realists who knew better That same year, George F. Kennan sent his Long