Ari Fuld, the American Israeli man who was stabbed to death in a terror attack on Sunday, was mourned in an outpouring of social media tributes throughout the day, with friends and ideological opponents alike eulogizing the Israel advocate and former karate instructor as an unflinching champion of the Jewish state and fearless fighter to the end. Fuld, a 45-year-old American-Israeli father of four from the Efrat settlement, was stabbed in the back by a Palestinian terrorist shortly before noon on Sunday outside a shopping mall at the nearby Gush Etzion Junction. Despite his wounds, Fuld pursued and shot his...