that kids under 12 couldn't get the vaccine. we had to work with our employers not oppose them on vaccine requirements. and what is happening in the biggest three districts is that is what has happened now. you have to give voice and work out the implementation details which new york city didn't do until they had that arbitration. >> i understand. it is basically about getting to that final 10%. as you know, some are presenting the idea of weekly testing as a safe alternative to vaccination. we already know the biden administration is abandoned that idea for federal employees. do you believe that weekly testing is a safe alternative to vaccination. >> i think testing is important as a way of seeing if virus is there. but i'm a big believer in everybody who can get the vaccine, getting the vaccine. but we do have people with real