MYKOLAIV, Ukraine — To win the war, says Vitaliy Kim, you need to love the war. “Love what you are doing, reconcile with the situation you are in, find something good in every circumstance, in small victories, in results.”
Mr. Kim, 41, the head of the regional military administration in the embattled southern city of Mykolaiv, offers the candid smile that has become the face of Ukraine’s resistance along the sweep of the Black Sea coast. It exudes a quiet confidence that says Russian…