I think we have to face the reality that in a society where there is a legitimate threat of terrorism, not being able to see one's face, not being able to have some sense of communication in that way, is for many societies a challenge. ↗
My two secrets to staying healthy: wash your hands all the time. And, if you can't, use Purell or one of the sanitizers. And the other is hot peppers. I eat a lot of hot peppers. I for some reason started doing that in 1992, and I swear by it. ↗
I think that we have to be constantly asking ourselves, 'How do we calculate the risk?' And sometimes we don't calculate it correctly; we either overstate it or understate it. ↗