For months, Republicans have been reveling in Robert F Kennedy Jr’s presidential bid. Running in the Democratic primary against Joe Biden, the hope has been that Kennedy could weaken the president ahead of a presumed Biden-Trump match-up in 2024. But with Kennedy expected to announce that he will ditch the Democratic party and run as an independent, some commentators are suggesting that conservatives’ schadenfreude could come back to haunt them. That’s because of the curious case of Kennedy’s political appeal. It turns out that the son of Robert F Kennedy and nephew of John F Kennedy, Democratic giants who maintain...