[contentcards url=”https://apnews.com/article/democrats-president-2028-newsom-beshear-khanna-south-carolina-004ca304aeecf186391b5439b51b3836″ target=”_blank”] By STEVE PEOPLES, MEG KINNARD and HOLLY RAMER The first presidential primary votes won’t be cast for another two and a half years. And yet,…