Kennedy Jr. has fired two of his top aides in an abrupt shakeup of the leadership at the nation’s sprawling health department, two people familiar with the matter told CNN. Kennedy this week ousted chief of staff Heather Flick Melanson and deputy chief of staff for policy Hannah Anderson,

While states pass law after law cracking down on food, Kennedy’s own biggest action to date has been relatively modest: a campaign pressuring food companies to voluntarily remove synthetic food dyes ...