let s go to ar let saenz at the white house. what is dr. walensky doing to address the issue? can she regane confidence of the people in the building behind. you cdc director dr. walensky is trying to. and yesterday she held her first independent media briefing since the summer, telling reporters that she is committed to trying to continue to improve, eep as frustrations are mounting within the white house and the cdc regarding some of the messaging missteps that walensky has made. cnn learned that walensky has been working with a democratic media consultant, mandy grun waldeck for months to learn to better communicate some of the guidances out to the public. but both walensky and the cdc have come under criticism most recently when it comes to that guidance related to the isolation period for covid-19 positive patients.