and to our great veterans." and while shulkin's rumored possible replacements ran the gamut from a fox news host to a three-stor army general, the president's choice was a genuine surprise. he chose his doctor, the physician to the president, to run the second largest agency in all of our government. ten times bigger than the fbi. you may remember the doctor from his memorable on-camera briefing after examining his patient, the president. u.s. navy rear admiral ronny jackson was selected as white house physician back in '06. he previously treated president obama. and just last week he was promoted and received his second star. here is a bit from that memorable briefing a few months back. >> he has absolutely no, you know, cognitive or, um, mental issues whatsoever, that he is very sharp. he has incredibly good genes. it's just the way god made him. his heart is very healthy. he's very sharp. and you know, he's very articulate when he speaks to me. more stamina and more energy