Anti-vaccine activist RFK Jr. challenging Biden in 2024

FILE - Attorney Robert F. Kennedy Jr. speaks at the New York State Capitol, May 14, 2019, in Albany, N.Y. Kennedy Jr., an anti-vaccine activist and scion of one of the country’s most famous political families, is running for president. Kennedy, a Democrat, filed a statement of candidacy Wednesday, April 6, 2023, with the Federal Election Commission. (AP Photo/Hans Pennink, File)

NEW YORK (AP) — Democrat Robert F. Kennedy Jr., an anti-vaccine activist and scion of one of the country’s most famous political families, is running for president.