(Sophie Park for WSJ) Robert F. Kennedy Jr., the nephew of the late President John F. Kennedy and the son of former Attorney General and Sen. Robert F. Kennedy Sr., was a Democrat for most of life.

Kennedy Jr. said this week it was fitting he chose ... that America would never elect a Catholic president," Kennedy said. So when John F. Kennedy ran for president in 1960, his nephew recalled ...

Robert F. Kennedy Jr. said he supports Pepfar, the program that supplies antiviral AIDS treatments to Africa, after Sen. John Cornyn (R., Texas) asked, saying that U.S. adversaries could step in ...