CBS filed a motion Thursday to throw out a lawsuit challenging its diversity hiring practices for writers on the show “SEAL Team,” arguing that it has a First Amendment right to hire who it wants. Brian Beneker, the longtime script coordinator on the show, sued in February, arguing that he had been repeatedly passed over for writing jobs because he is a straight, white man. Beneker has the backing of America First Legal, which is run by Stephen Miller, an adviser to former President Trump. The organization has sought to challenge diversity, equity and inclusion programs — which it terms...