it s not clear how sick sanders was but the wall street journal reports that a sanders spokesman originally said the senator did not have a heart attack, but later said more tests would be run to determine that diagnosis. just last month, sanders went over his medical history with dr. oz. 78 years old, he s strong, his heart muscle is fine. it s not going to impact his future. but if he ignored the pain, that could have been a catastrophe. the 78-year-old said he tries to keep healthy habits, although sometimes eats dinner too late and only sleeps five or six hours a night. the campaign trail is really not conducive to good health habits but what i tried to do as much as i can s walk. i m a big walker. sanders fights for a clean bill of health, joe biden is trying to clear his name. i m not going anywhere. [cheers and applause] biden believes president trump fears facing him next year and argues he never abused his power as obama s vp. we weren t pressing ukraine to get