The parents of Ran Gvili, Israel’s final – and many say bravest – hostage, had more or less held their composure during the funeral ceremony. But it was a eulogy of searing anguish and regret from their daughter, Shira, that broke the dam. Standing before Benjamin Netanyahu and the rest of Israel’s political elite, the young woman wondered aloud how things might have been different if she’d stopped her policeman brother from charging off to fight Hamas on October 7, 2023, despite him nursing a broken shoulder. “I am your coward,” she said in a broken voice through the cold...