Military analyst Denys Popovych said on Radio NV that Russian troops are currently encircled near Kupyansk and explained how Ukrainian forces carried out a successful operation there on Dec. 13. There are now encircled Russian army units in the city that are clearly in the final stage of their presence there. Cleanup operations are ongoing, and it is impossible to predict when they will end. Why do the Russians make such statements about capturing Kupyansk? They are taking territory on credit. They need it to demonstrate that they are advancing and achieving success. They lost Kupyansk during our Kharkiv counteroffensive,...