Ukrainian forces have counted more gains on the battlefield, with President Volodymyr Zelenskyy hailing more “good news from the front lines” in his nightly address Tuesday. Rapid and significant gains have been counted in Ukraine’s counteroffensive in the south in particular, with advances in the Kherson region. Now, dozens of settlements have been liberated this week across four regions that Russia “annexed” last week, Zelenskyy said. Moscow’s hold on “annexed” territories (Kherson, Zaporizhzhia, Luhansk and Donetsk) looks increasingly tenuous, with none of the regions fully occupied by Russian forces, and as Ukraine’s counteroffensives in the east and south maintain their...