President Volodymyr Zelensky’s choice Tuesday to interchange Ukraine’s commander-in-chief, 60-year-old Oleksandr Syrskyi with 43-year-old Mykhailo Drapatyi, comes within the wake of widespread protests after Zelensky fired his 35-year-old protection minister Mykhailo Fedorov. NCS’s Nick Paton Walsh lays out how even with the shakeups – bringing in a youthful basic from a more recent technology of navy leaders to interchange a Soviet-era one – the identical huge challenges stay.