Dmitri Kozak Was a Key Putin Aide. He Lost Power When He Balked at the Ukraine War.
Dmitri N. Kozak, who has said privately that the invasion was a mistake, has lost power to another senior Putin ally, Sergei V. Kiriyenko, who has embraced the military action.
Dmitri N. Kozak, who has said privately that the invasion was a mistake, has lost power to another senior Putin ally, Sergei V. Kiriyenko, who has embraced the military action.
