Trump Said Peace in Ukraine Would Come Easy. It Hasn’t.

President Trump once approached the challenge of ending Russia’s war in Ukraine as a straight-ahead deal that he could achieve easily. But after months of trying, he’s signaling that he might actually walk away. Michael Crowley, who covers U.S. foreign policy for The New York Times, discusses the recent phone call between Mr. Trump and President Vladimir V. Putin of Russia, and what it tells us about how the conflict could end.