Ukraine could push Russian forces back to its pre-war borders by 2023 — wiping out its territorial gains — because President Vladimir Putin's troops are "exhausted," a retired US general said on Thursday. Lt. Gen. Ben Hodges, the former commanding general of the US Army in Europe, told Insider that Ukraine's ability to push Russian troops back to the existing borders depends on continued Western support through sanctions and weapons deliveries. "The Russians are exhausted," Hodges said. "They don't have much else they can do right now." He added that much of Putin's military is already committed to the war,...