In the few weeks since United States President Donald Trump returned to the White House, world leaders and commentators have struggled to make sense of his approach to foreign policy, including tariffs, alliance renegotiations and threats of territorial appropriation.
No one is sure how much is bluff or negotiating tactics, nor how much is deadly serious.
For some, Trump’s foreign policy is simply incoherent, but most try to fit his approach into the familiar choice between isolationism and internationalism.
