NPR military consultant, Gen. Thomas Rhame, describes the difference between a battalion, a cavalry unit, a brigade and other confusing military subdivisions.
Susan Monarez, the ousted director of the CDC, testified on Capitol Hill Wednesday that the health secretary pressured her to rubber stamp vaccine policies without reviewing scientific evidence.
NPR speaks with Debra Houry, the CDC's former chief medical officer, about her decision to leave her post and her concerns over Health Secretary Robert F. Kennedy Jr.'s vaccine decisions.