The trick: Threaten the outrageous, ratchet up the tension, amplify it with tweets and taunts, and then compromise on fairly conventional middle ground.

​“His ultimate gamble is: ‘You don’t have as big of stones as I do,'” a source close to Trump told me. “‘You’re going to feel too uncomfortable where I go. The stakes are too high. This is too far outside your comfort zone.'”

Consider these threats: To withdraw from Syria (he reengaged with missile strikes), withdraw from Afghanistan (he settled on the more-of-the-same strategy recommended by his generals), withdraw from the U.S.-Korean trade deal (Trump’s team negotiated with the Koreans and announced modest changes to the deal), veto the government spending bill (he signed it), and impose severe worldwide tariffs on steel and aluminum (he offered a bunch of exemptions).