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. Kennedy filed a statement of candidacy Wednesday with the Federal Election Commission. The 69-year-old’s campaign to challenge incumbent President Joe Biden for the Democratic nomination is a long shot. *** Kennedy released a book in 2021, “The Real Anthony Fauci,” in which he accused the U.S.’s top infectious disease doctor of assisting in “a historic coup d’etat against Western democracy” and promoted unproven COVID-19 treatments such as ivermectin, which is meant to treat parasites, and the anti-malaria...