President Trump and some of the U.S. intelligence appeared to be at odds this week over the timeline of Iran acquiring nuclear weapons. Former senior CIA intelligence officer and MSNBC national security and intelligence analyst Marc Polymeropoulos joins Ana Cabrera to weigh in on the public disagreement and how nuances in the information matter. For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ » Subscribe to MSNBC: https://www.