i recognize mr. upman for five minutes. >> thank you, mr. chairman. most americans realize it is if you're exposed, you have 2 is 1 days. if you goon 2 is 1 days, you're virtually no risk of ebola if you go that far. it's conceivable, then, after 14 or 15 days, you, in fact, can still get ebola, is that correct? >> yes. >> so i want to go back to the restricting of travel by nonu.s. citizens, 150 folks a day into west africa. conditions as you talked about, exit screening, all folks are exit screened. it's perfectly conceivable that someone even after 14 days can exit screen. they are okay, no fever, and, in fact, get to the destination, perhaps to the united states, and it -- and have the worst, is that right? >> yes. >> if our job is to protect the american public, administration, as i understand it -- i looked at the legal language, does the president, does have the legal authority to impose a travel ban because of health reasons including ebola, is that not correct? >> i -- i don't have legal expertise to answer the question. >> i saw language ear