everyone is vaccinated? >> i would say at the present time you should look carefully to see what the level of spread is in that community. of course, with a wedding people are coming from all over. probably it's not just the community, it's where people came from. in that setting knowing what we know now about how delta can infect vaccinated people, you would still want to insist that people wear masks or even consider moving the whole thing outdoors, which would even be better. >> to that point, big birthday coming up for former president obama. once you include staff, you're talking about 700 people at martha's vineyard at his estate there. it is outdoors. they are requiring a negative test. what about that? there are also a lot of weddings, big weddings, that are requiring a negative test. what about that if they're outdoors? >> well, you know, the whole thing about belt and suspenders