>> well, what we're doing right now is working to make air travel safe. again, it's a little bit of a different picture, of course, when you have international travel because different countries have different standards, which is why, as part of opening our travel again for international travelers, something i was delighted to see happen earlier this month, we did include the vaccine requirements. look, between the masking and other mitigations we're very confident in the safety of air travel and travel in general in this country. >> we're all used to things taking time to be implemented. we have the new infrastructure bill. i've heard you and others say, hey, this is going to unclog the supply chain. this is going to help to lower inflation. it just doesn't come across as realistic for something like this to have an impact in the next three to six months. how is it that the bill right now that just got passed is going to untangle the supply chain in the next three months? >> well, here is the way i would explain it. we have to take a look at the