Hundreds of thousands of Israelis poured into Tel Aviv’s Hostages Square on Saturday night in what everyone present was hoping would be the final vigil on behalf of the hostages taken to Gaza two years ago. Some of the stars of the rally were three American Jews — Steve Witkoff, Jared Kushner and Ivanka Trump — who played a role in pushing negotiations between Israel and Hamas over the finish line. Witkoff was visibly emotional. “I dreamed of this night. It’s been a long journey. This is the most powerful sight,” Trump’s Middle East envoy told the crowd. “All of...