executive order making masking optional in schools. are these school districts right to push back? >> you know, i think they are. and here's why. again, as much i'm optimistic that the surge is starting to abate, it's not yet. infection numbers are still quite high across the country. so i do not think it's responsible to get rid of mask mandates at this moment. there will come a time, probably in the next you know, few weeks or depending on the case numbers, when infection numbers get much lower when mandates can be lifted safely, but i think the districts are right to push back right now. >> what do you think, doctor? >> i agree completely. only about 19% of 5 to 11-year-olds are fully vaccinate. only about 56% of 12 to 17-year-olds are fully vaccinated. so other than vaccines, what you have is a mask, so why tie both hands behind your back? people talk about waning a pan coronavirus vaccine. one that will work against all