Robert F. Kennedy Jr. said on Saturday he is being investigated over a decades-old story that he decapitated a dead whale and transported its skull across state lines. Kennedy made the admission during a campaign event for former President Trump, saying he had received a letter last week. The report comes weeks after a left-wing environmental group resurfaced the whale story and called for an investigation. “I received a letter from the National Marine Fisheries Institute saying that they were investigating me for collecting a whale specimen 20 years ago,” Kennedy said Saturday. “This is all about the weaponization of...