through a lot of stuff to do it it's getting on a plane. they're also enclosed spaces with circulating air. it does seem like that would be a natural place to have this kind of requirement. >> you know, yes, it would be. but as you mentioned right now this is something that is on the table that's being discussed. and as you quoted me correctly i said that i'm not proposing it but if the president decided all other things considered in that decision i would certainly support that. but you should know that these types of discussions are ongoing all the time, chris and they're still on the table. a decision hasn't been made and if the president makes a decision i certainly would support that for the reasons that you mentioned. >> well, take me through -- i mean this seems like a perfect example of one of the kind of policy conundrums of covid. as i said many times the science isn't quite totally settled. it's a novel virus.