KGO ABC World News Tonight With David Muir October 3, 2019 00:38:00
Dr. oz about the demands of the campaign. >> the campaign trail is really not conducive to good health habits, but what i try to do as much as i can is walk. i'm a big walker. >> reporter: and he's a famously hard-running candidate, as he showed against hillary clinton in 2016. >> but i think the secretary is right. and that is that the american people are sick and tired of hearing about your damn emails. >> thank you. me, too. me, too. >> reporter: sanders can typically pack three or four events into a day in multiple cities, not missing a beat when he suffered a gash from shower door last ma...