…for his constitutionally protected speech.   Nothing he said comes close to the legal test for unlawful incitement.  These legislators are a disgrace to the United States and the First Amendment.   The University of California at Davis reportedly is "investigating" the faculty member for his comments, even though it has no legal authority to do so.  (Besides being offensive, this faculty member's comments are also ignorant:  see here and here.  But that is wholly independent of his right to make them without being sanctioned by his employer.)