A Kennedy could soon serve in a Cabinet position once again—but new claims from Robert F. Kennedy Jr.‘s cousin on the eve of his confirmation hearing threaten to tear the political dynasty apart. Kennedy,

Kennedy Jr. went through a contentious divorce with his second wife, Mary Richardson Kennedy. It was ugly. Richardson had found a diary RFK Jr. kept that chronicled multiple extramarital affairs he had engaged in—possibly numbering in the dozens—and she was enraged and tormented by his infidelity.

Advocates worry that as HHS secretary, Robert F. Kennedy Jr. could undermine years of work to unlink autism and vaccines and divert precious research dollars to a discredited theory.

Kennedy is the country's most well-known anti-vaccine activist, and could soon lead be Trump's top health official.

In a scathing letter to the Senate ahead of Robert F. Kennedy, Jr.’s confirmation hearings to become Secretary of Health and Human Services, Biden administration ambassador to Australia Caroline Kennedy has described her cousin as a hypocritical “predator” who is unqualified for the job and “addicted to attention and power.”

Kennedy's skepticism about everything from processed foods to vaccines is resonating with a growing "crunchy" movement among conservative mothers.

Kennedy Jr., President Trump's pick for health secretary, has falsely linked vaccines to autism and argued people should have separate vaccination schedules based on their race.

The job Robert F. Kennedy Jr. is seeking is defined by the task of overseeing Medicare and Medicaid, which he's shown little interest in.

RFK Jr.'s cousin claims she feels compelled to break her silence to warn about the dangers that his appointment to this position would pose, calling him a "predator" and adding that he "exploits the despair of parents with sick children.

Link Lauren, former campaign advisor to Robert F. Kennedy Jr., joins 'Fox News @ Night' to discuss how he helped RFK, Jr.'s campaign reach young voters.