and especially given what they see in the white house today, that's such an important commodity and what they hope will carry him to victory here in about six, seven weeks. >> mike memoli, always good to talk to you. there in dairy, new hampshire. great group of reporters joins me now. james, political reporter for the boston globe. we are joined by shermichael singleton, as well. he is a political consultant. jonathan alan, let me start with you and this packet of material we got from senator sanders' campaign. these three letters from physicians. and i'll read one line. here, we highlighted it just a moment ago. you are in good health currently and you have been engaging vigorously in the riggers of your campaign, traffic, and other scheduled activities without any limitation. another noting here the recovery from his heart attack has been uneventful. help us understand the importance of these three documents. >> let me start, david, while i may have stayed at a holiday inn express some nights, i am not a doctor. i just want to be very clear that part i can't do a lot of