U.S.-Iran memorandum of understanding likely to be signed next week

A letter of intent or memorandum of understanding between the U.S. and Iran is likely to be signed early next week, opening the way to further negotiations about an enduring U.S.-Iran agreement, two sources familiar with the diplomatic efforts said. The signing of the memorandum would kick off 60 days of talks to negotiate details of a U.S.-Iran agreement. That time period could be extended as needed, according to multiple sources. Shortly after Mr. Trump's post on the potential deal, the Fars News Agency, associated with the Iran Revolutionary Guard Corps, quoted a "knowledgeable source close to the Iranian negotiating...