‘A DISTINCT TURNING POINT’: In Ukraine, the signs of a subtle battlefield shift are everywhere as President Volodymyr Zelensky announces the beginning of a counteroffensive in the south and Pentagon officials make plans to continue the flow of weapons for months to come. “We are there for Ukraine for the long haul,” said a senior defense official in the latest Pentagon briefing, who described the Russian advances as stymied by effective Ukrainian tactics and newly arrived HIMARS precision rocket systems, which have forced Russian forces to dig in and hide high-value targets. “They're paying a high price for every inch...