Ex-MSNBC host Joy Reid went on a profanity-laced tirade against Vice President JD Vance, dropping the F-bomb and calling the veep a “racist a–hole.” “JD Vance, since you’re paying attention to me: F— you!” she raved during an interview published Thursday. The rant, delivered on writer Tommy Christopher’s Substack, came after Vance took to X on Thursday morning to urge Reid to be grateful for her success.  “Joy Reid has had such a good life in this country. It’s been overwhelmingly kind and