On Monday, the recovery of the body of Israeli Master Sgt. Ran Gvili — the last remaining hostage held in Gaza — marked a defining moment in its war against Hamas. It fulfilled a sacred national vow for the Jewish state. And it delivered a stark message to Israel’s enemies: This is a nation whose resolve, unity and credibility should never be doubted. Gvili, a 24-year-old police officer, was home recovering from a broken shoulder when sirens pierced the dawn on Oct. 7, 2023. Ignoring his injury,