princeton, cornell, and harvard all go remote at least through the rest of the year. soaring infections fueling covid fears and dimming the holiday spirit. joining us now, pediatric airway surgeon and professor, dr. susanna hills. thank you for being here. the u.s. is warning we'll see a record number of coronavirus cases and hospitalizations. give us your 30,000-foot take on, this broad overview about the latest situation with the virus. >> yeah, jonathan, it's really incredible that we are here now sitting where we were last year at this time after all of this time in this pandemic, and it is discouraging. positivity rates are up 7% in the united states from last