President-elect Donald Trump’s Cabinet is one of the most ideologically diverse in U.S. history, a mix of conflicting worldviews and varied backgrounds that will bring a range of perspectives to his MAGA agenda.If Mr. Trump’s nominees are confirmed, Health and Human Services Director Robert F. Kennedy Jr., whose family is American Democratic royalty, will work alongside Vice President J.D. Vance, who was born into poverty with a drug-addicted mother. Homeland Security Secretary Kristi Noem, who was heavily criticized for her record on LGBTQ issues as South Dakota governor, will attend Cabinet meetings with openly gay Treasury Secretary Scott Bessent.Mr. Kennedy’s...