there's been bipartisan push to reopen the capitol to public tourists. speaker pelosi saying she hopes tours can resume pretty sign. joining us is a critical care pulmonologist and secretary otthe university of washington. you're seeing the unmasking of america and democrats on the hill who have been fighting republicans refusing to wear masks, fining them up to $100,000 being docked from their paychecks now saying masks? what masks? what does the science say? >> good afternoon, great to see you. i will state it's pretty clear now that higher quality masks not only protects the individual next to you but yourself. if you're higher risk, over 60 or have an underlying condition, still the concept of one-way masking makes sense. in terms of timing of removing the mandates, where they exist. let's be clear.