the capitol. the deadline they gave him to hand over documents and testify. will he comply? and mr. trump's long-time ally steve bannon sentenced for defying the same committee. how long will he serve behind bars? miami dolphin's qb tua tagovailoa. he went one-on-one after he prepares for the first game back after the frightening hit on the field. how he feels about returning and the changes to the nfl concussion protocol after his injury. the mighty mississippi plunging to historic lows. how it is causing more chaos for america's supply chain. and taylor swift is back. all of the surprises for fans on her new album, released at the stroke of midnight. ♪♪ this is "nbc nightly news" with lester holt. good evening, everyone. there is more evidence tonight of just how badly the nation's hospitals have been impacted by that surge in childress practice torrey illnesses we told you about last night. three out of four pediatric hospitals are now reported to be full as positive tests for rsv, a virus especially common to young children, have tripled in the last two months. some young patients shuttled to other hospitals to find space. though symptoms are usually mild, tonight we hear from distraught parents whose children have faced severe illness. all of this coming well before the winter months when respiratory viruses tend to peak and as the flu and covid enter the picture. the white house covid response coordinator telling me it is going to be a tough winter. in a few moments, more of my conversation with dr. ashish jha. first, let's get the latest from gabe gutierrez. >> reporter: to nights as hospitals battle the early spike in childress practice torrey illnesses, nearly 75% of the country's estimated 40,000 pediatric hospital beds are full. a major hospital in houston has had to fly