AS HILLARY CLINTON puts together what she hopes will be a winning coalition in November, many progressives remain wary — but she has the war hawks firmly behind her. “I would say all Republican foreign policy professionals are anti-Trump,” leading neoconservative Robert Kagan told a group gathered around him, groupie-style, at a “foreign policy professionals for Hillary” fundraiser I attended last week. “I would say that a majority of people in my circle will vote for Hillary.” As the co-founder of the neoconservative think tank Project for the New American Century, Kagan played a leading role in pushing for America’s...