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 po