In the spring of 2019, I taught a class in presidential speechwriting and U.S. foreign policy at UCLA. One of the speeches we studied was George W. Bush’s address to a joint session of Congress a few days after 9/11, in which he seized control of American politics and—for a time—global events. In it, he defined the heroes and villains of our new epoch. On one side: first responders, Rudy Giuliani, the members of Congress who sang “God Bless America,” faithful Tony Blair, the soon-to-be-created Department of Homeland Security, the law enforcement personnel and intelligence professionals who
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