he says vaccinated americans have strong protection against the surging delta variant. breakthrough infections are happening. south carolina senator lindsey graham has tested positive even though he's vaccinated. he says he's experiencing what it feels sinus infection. now his fellow senators are getting tested after spending time with him on a house vote over the weekend. >> we were outside. everybody has been vaccinated. he's fine. it's bigger rising infections have many health officials worried. several cities including the nation's capital are once again requiring people to wear masks indoors regardless of vaccination status. tonight louisiana's democratic governor physician misty wade mast mandate. he says the variant and low vaccination rate in his state gave him no choice. >> looking ahead to tomorrow, we'll report more hospitalizations than any other point in the pandemic. >> starting tuesday san francisco and neighboring