u.s. education secretary says testing is important, but not the only strategy for keeping students and teachers safe. >> it's really important that the testing protocols are put in place but not done in isolation. increasing vaccination helps. adherence to the mitigation strategies that we know where car part of the strategy. >> still a small but growing number of schools are closing this week were conducting online instruction. that is what they are doing with atlanta public schools nationwide. more than 2,000 schools have yet to open. concerns of surging covid cases. >> trace: jonathan, thank you part let's bring in fox news contributor dr. marc siegel. it's always great to have you as jonathan pointed out there talking about miguel cardona. i had a chance to talk on sunday. i want to play some more sound from him and get some response on the other side from him,