Robert F. Kennedy Jr. reached out to Democratic presidential candidate Kamala Harris and offered to drop out of the race and endorse her in exchange for a powerful — perhaps even Cabinet-level — position in her administration, should she win, but Harris has thus far ignored him. Last week, RFK Jr., a 70-year-old independent presidential candidate who comes from a legacy Democrat family, attempted to make contact with Harris' campaign to arrange a meeting to discuss the offer, according to...