ISTANBUL (AP) — Ukrainian President Volodymyr Zelenskyy warned that a prolonged conflict between the United States, Israel, and Iran could further weaken American backing for Ukraine, as Washington’s strategic attention shifts and Kyiv prepares for possible reductions in deliveries of vital Patriot air defense missiles. In an exclusive interview with The Associated Press late Saturday in Istanbul, Zelenskyy said Ukraine urgently requires additional U.S.-manufactured Patriot systems to defend