Ukraine beheads its military as its performance begins to soar

Ukraine replaced its top military and political defence personnel in the past week even as its armed forces arguably achieved their best performance in three years.

Defence Minister Mykhailo Fedorov’s ouster on July 15 was followed six days later by the replacement of Commander-in-chief Oleksandr Syrskii. Both men were followed out the door by some of their most capable lieutenants.

Ukrain...