Biden CDC Director Rochelle Walensky told the nation on Friday that soon, a booster shot will be needed in order for one to be considered “up to date” with their Covid vaccines. “What we’re really working to do is pivot the language to make sure that everybody is as up to date with their Covid-19 vaccine as they personally could be, should be based on when they got their last vaccine,” she told CBSN. Walensky continued, “Importantly, right now, we’re pivoting our language. We really want to make sure people are up to date. That means if you recently got...