Thousands of Iranian Americans, human rights advocates, and supporters are expected to gather in Washington, D.C., on Saturday for a "Free Iran Rally."

Supreme Leader Ayatollah Ali Khamenei said on Saturday that Iran will not be bullied into negotiations, a day after U.S. President Donald Trump said he had sent a letter to the country's top authority urging Tehran to negotiate a nuclear deal.

"Their talks are not aimed at solving problems," said Supreme Leader Ayatollah Ali Khamenei, without mentioning the United States by name.

Iran’s Supreme Leader Ayatollah Ali Khamenei says he rejects a U.S. push for talks between the two countries because they would be aimed at imposing restrictions on Iranian missile range and its regio

The president’s halt of foreign aid upended two U.S. programs that help the International Atomic Energy Agency find clues about Iran’s drive to build atomic bombs.

What is the logic of returning to a deal with Iran that America quit seven years ago? Excitement in some Washington quarters over the prospect of renewed negotiations with the Tehran regime could soon prove premature.