CNN State of the Union March 15, 2015 16:01:00
Open letter to iran's leaders by 47 republican senators who warn that that deal could be scrapped by congress. joining me now for an exclusive interview is senate majority leader mitch mcconnell. thank you very much for coming in. let's talk first about the timing of this. there's a lot of discussion about the fact that this was done in a rushed way, signed quickly before senators wanted to get out of up to before the snowstorm. when did senator cotton come to you with the process? >> dana, let me see i think this is a good case of selective outrage. i remember reading about senator robert b...