BRUSSELS (AP) — Major European powers sought Tuesday to keep Iran in a landmark international nuclear agreement even after President Donald Trump pulled the U.S. out of the pact and promised tough economic sanctions against the Islamic Republic. Foreign ministers from Britain, France and Germany — signatories of the 2015 deal to stop Iran developing nuclear weapons — held talks with Iranian Foreign Minister Mohammad Javad Zarif, amid concerns that the sanctions will also damage European business interests. "The U.K.