made what appears to be an excellent recovery from his event with a stress test and an exercise test that indicates he is able to pursue and engage in a vigorous amount of activity for his age. i think all in all, the message that emen ats from these letters in terms of his ability to pursue a vigorous schedule going-forward. >> i was in vermont shortly after senator sanders suffered that heart attack. i remember him coming out and telling us that he planned to scale back the nature of his campaign, not do as many as three or four events a day. that was quickly scrapped. it seems as though his campaign is just as busy, maybe even more busy than it was before the heart attack. is there any reason from what you've been able to read in these letters that you warned