What do the Iran nuclear deal, U.S. trade policy and North Korea summits all have in common? The answer is a persistent feature of U.S. foreign policy under President Donald Trump: uncertainty.
Trump’s election in November 2016 brought more questions than answersabout the future of American foreign policy. Would Trump follow through on his most provocative and incendiary campaign promises and threats, or use them as leverage to win concessions? Would he radically and durably reconfigure America’s global role, or find himself hemmed in by the inertial constraints of the international order? …