Iran’s foreign minister said on Thursday U.S. demands to change its 2015 nuclear agreement with world powers were unacceptable as a deadline set by President Donald Trump for Europeans to “fix” the deal loomed. Trump has warned that unless European allies rectify the “terrible flaws” in the international accord by May 12, he will refuse to extend U.S. sanctions relief for the oil-producing Islamic Republic. “Iran will not renegotiate what was agreed years ago and has been implemented,” Foreign Minister Mohammad Javad Zarif said in a video message posted on YouTube. Britain, France, and Germany remain committed to the accord as is, but now, in efforts to keep Washington in it, want to open talks on Iran’s ballistic missile program, its nuclear activities beyond 2025 – when key provisions of the deal expire – and its role in Middle East crises such as Syria and Yemen. […]