william lang.e're looking at video of the president obviously just moments ago at the white house after his trip across the city of washington, to the lawn at the white house. by the way, i'm told by our ed lawrence that he, marine one took an unusual route. you remember all of those supporters and fans of the president outside walter reed hospital well, the president made sure that marine one flew directly over them. his salute. the president is home and joining us now, congressman andy biggs. he is the chairman of the house freedom caucus. also a member of the house judiciary committee. congressman, it has been a troubling and uplifting 72 hours that the country has gone through here as the president has gone to walter reed to have treatment that is, i think, more successful, enormously successful than any of us would dared hope last friday. your thoughts? >> yeah. i think so, lou. i think all americans should be happy that the president is recovering so well and quickly. he is a healthy man who

william lang, dr. leana wen, we thank you both very much. >> doctor: thank you. >> woodrf: with president house, let's turn f hishite re-election campaign's senior advisors steve cortes. >> woodruff: steve cortes, welcome to the "news rdur." so we hhe president's doctors today say he is not out of the woods yet. theyre watching him vry closely. they say they know he is still contagious. given that, why it a good idea for him to go back to the white house?r: >> reporwell, listen, i'm not going to speak to the medical side of things. that is obviously up to his team. now they approved of this, and i trust in their nldgment. dr. is not only a man of science, but a naval officer ad he served his country in afghanistan. between both his patriot service and his professional credentials, i'm going to der to him. most patients of any kind prefer to at home, but he is not doing this without the approval and cooperation of his medical staff. >> woodruff: it isnd undersle he would want to be back there, but, as y

william lang, a former deputy white house physician, and director of the white house medical unit undernt's bill clinton and george w. bush. we welcome both of you to the newshour. based on what you heard today from the president's doctors at walter reed, everything they are saying about him and the fact that they say he is not still out of the woods, that they will be continue to monitor him -- what is your understanding of his condition? >> i believe that his condition is very serious. this is bas on all the little pieces of information that were given and all the things that we are not being told, but it had at least two episodes where his oxygen saturation dropped. one ofev them wase enough to prompt the transport to the hospital. he has also had various lung imaging, that we don'know what it shows. it sounds like he probably has pneumonia. and he is on at let three medications, one of them is not given except if patients are severely or critically ill. inec fact, it is ically not given to patients who have nonsevere illness. allf this makes me wonder. by the white house's own timel

william lang. dr.ap, i want to begin with you because i want to understand and i think viewers around the world would like to know what are the protocols in the white house? you have a president and his chief of staff says he has mild symptoms. he is 74 years ed a. he is overweight and has a history of some mild heart reason to believe based on what we know. we do note president is vigorous, that he won't be fine, but how do you draw the line as the white house physician of can we handle this in the house or should we get the president somewhere elsewhere he has better care? >> oh, well, first thing is we treat the president as a patient. that's one of the first things we teach new white house docs coming in is you've got to keep track of what you're doing. you're taking care of a person so how do you take care of the president as a person? you apply the same rules and same medical guidelines you apply to anybody else, but, of course, he is the president so you have to start thinking about where is the