DUBAI, United Arab Emirates (AP) — A U.S.-based activist agency said Sunday that it has verified at least 3,766 deaths during a wave of protests that swept Iran and led to a bloody crackdown, and fears the number could be significantly higher. The Human Rights Activists News Agency posted the revised figure, increasing its previous toll of 3,308. The death toll exceeds that of any other round of protest or unrest in Iran in decades, and recalls the chaos surrounding the 1979 revolution. The