i'm going to do the proper protocols. i would say when president biden leaves the white house someday he's going to want to say, i tried to educate the american public on how to deal with covid if they got it. so he's going to do all the right things and say all the right thing, meanwhile, joe biden is going to be his surrogate. he may continue to go to pennsylvania where he's due to have a speech. there is a fund-raiser he has tonight, a slate of things obviously will be canceled for the president but jill biden can replace him at some of these if necessary. >> douglas brinkley, we appreciate you joining us this hour. sticking through this breaking news. thank you. before we go to dr. peter hotez, we'll talk to him in a moment, yamiche, you're getting information on the vice president and hearing she is just landing in charlotte, north carolina. hopefully she'll speak to reporters there and can bring that to you. what are you learning on her current condition? >> on background a white house