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. …