Bangladesh, Jan. 1 -- The reported departure of Keith Kellogg, the United States special envoy for Ukraine, has exposed deeper fractures within Donald Trumps administration over how to handle the war in Ukraine and Washingtons relationship with Vladimir Zelensky. According to the New York Times, Trump privately labeled Kellogg an “idiot” after the retired general publicly praised Zelensky, an episode that highlights not just personal animosity but a fundamental clash of worldviews inside the White House.

Kellogg, a former Army general with decades of experience in security and defense policy, has been widely described as one of the more Ukraine-sympathetic figures within Trumps inner circle. Reuters reported as early as Novem...