Former CDC Director Susan Monarez and Chief Medical Officer Debra Houry are testifying before a Senate panel weeks after departing in a dramatic shakeup at the health agency.
Trump is receiving the royal treatment from King Charles on a historic second U.K. state visit, but he's been greeted also by protests over his ties to Jeffrey Epstein.
Susan Monarez, the former director of the Centers for Disease Control and Prevention, is set to testify before the Senate Health Committee on Wednesday after she was fired less than a month on the job. CBS News' Nikole Killion has more.