EXCLUSIVE: President Trump is resigning from the Screen Actors Guild - American Federation of Television and Radio Artists after they threatened to expel his membership from the union after the Capitol riot -- to which he said, "Who cares!" The former president's letter of resignation Wednesday comes after the SAG-AFTRA board voted "overwhelmingly" that Trump violated the union's membership guidelines in the wake of the Capitol riot. Fox News exclusively obtained the letter sent to SAG President Gabrielle Carteris, slamming the union, the media and news organizations. "I write to you today regarding the so-called Disciplinary Committee hearing aimed at...