The damage inflicted by President Trump’s naiveté, egotism, false equivalence, and sympathy for autocrats is difficult to calculate. But it is clear that the summit in Helsinki was a tragic mistake.” The Arizona Republican senator added, “No prior president has ever abased himself more abjectly before a tyrant.” Suddenly the word “treason” became part of the public debate about Trump. The former CIA director John Brennan called Trump’s comments “nothing short of treasonous.” A dam had broken.