The bitter feud between former CNN pundit Don Lemon and tech mogul Elon Musk just got ugly in a litigious way. To wit, Lemon and Musk have been sniping at each other since the two briefly linked up to launch “The Don Lemon Show” on social media platform X, which Musk owns. In short, the relationship was disastrous. Musk turned out to be the first, last and only guest to appear on Lemon’s X show in March, as the SpaceX owner swiftly pulled the plug on the show after a disastrous and awkward first interview. When X posted about ending the business partnership with Lemon’s show, Musk responded to…