Why the world is watching RFK's fight with US health agency

In fiery Senate testimony this week, US Health Secretary Robert Kennedy Jr once again set his sights on the nation's top public health agency, the Centers for Disease Control and Prevention (CDC). His appearance came days after he suddenly fired the new CDC director, Susan Monarez, provoking a group of senior staff to resign in protest. At the hearing, when asked for an explanation, Kennedy claimed he had asked Ms Monarez if she was a "trustworthy person" and she had replied "no", to some disbelief from his opponents in the room. He then admitted he had once described the CDC...