Russian president Vladimir Putin has replaced his top military commander in Ukraine just three months after appointing General Sergei Surovikin to the post
Retired Lt. General Mark Hertling likens Russian President Vladimir Putin replacing his overall commander for operations in Ukraine, Gen. Sergey Surovikin, with chief of the Russian General Staff Gen. Valery Gerasimov to President Joe Biden placing chairman of the Joint Chiefs of Staff Gen. Mark Milley on the front lines.