On Tuesday, November 22nd, U.S. District Judge Amos Mazzant issued a nationwide preliminary injunction against the Department of Labor’s rule raising the salary threshold for the white collar exemptions, which was to take effect on December 1st.  Judge Mazzant sits in Sherman, Texas, and granted the motion filed by lawyers for 21 states, including Nevada and Texas.  The rule is enjoined “pending further order of this Court,” but a preliminary injunction is ordinarily in effect until trial unless the case…