Andriy Yermak had ensured internal discipline in Ukraine’s wartime politics. He also led the country’s peace negotiations, which now must go on without him.
President Volodymyr Zelensky’s dismissal of his longtime right-hand man opens a window for a political overhaul that has been long deferred by the war in Ukraine. But it also injects uncertainty into Mr. Zelensky’s government at a delicate moment, le... [2018 chars]