The problem is Moscow doesn’t want peace in Ukraine, it wants Ukraine in pieces. Every time the White House offers an olive branch, the Kremlin torches it and commits more heinous war crimes. Washington floated a leaders’ summit in October, but Russian Foreign Minister Sergey Lavrov wiped his shoes with it, demanding Ukraine stop resisting and the West ignore kidnapped kids and beheaded prisoners. Well, Trump pulled the plug on Budapest, signaling he might punish the Kremlin, and a panicking Vladimir Putin dispatched Kirill Dmitriev with a “peace plan” so absurd it would shame a mid-level propagandist. To make sure...