Donald Trump has tapped *anti-vaccine activist and conspiracy theorist Robert F. Kennedy Jr.* as his secretary of health in the latest provocative nomination from the incoming Republican president. 🇺🇸 *Kennedy, a scion of the famous political family* who is popularly known as RFK Jr., is a longtime environmental campaigner who *abandoned a fringe bid for the presidency to endorse Trump* against Democratic candidate Kamala Harris. The nomination could meet opposition, given *Kennedy's history of promoting medical conspiracy theories* -- including the *disproven claim that childhood vaccines cause autism* -- and saying that the Covid-19 vaccine was deadly. Since his election last week, several of Trump's choices for top jobs -- *including a TV news anchor at the helm of the Pentagon* and an *ally embroiled in sexual misconduct allegations for attorney general* -- have unnerved the Washington establishment.