against omicron. dr. anthony fauci says some of the antigen tests may not detect the variant. and as christmas approaches, doctors have this dire warning: >> i think we need to be prepared for a surge in the coming few weeks. the wave that's coming will likely be the biggest one. >> reporter: and one reason for concern here in new york: the state just hit 21,000 daily cases, the highest it's been since the pandemic began. and half of them are in new york city. norah. >> o'donnell: incredible to think about those numbers. thank you. well, today in minnesota, former brooklyn center police officer kim potter took the stand in her own defense, emotionally recalling the moments that she meant to pull her taser but instead fired her gun at duante wright during a traffic stop. jennifer mayerle from our cbs station in minneapolis is covering the trial.