VERMILLION, S.D. (MITCHELLNOW) University of South Dakota professor Michael Hook is back in the classroom after a federal judge granted him a temporary restraining order. Hook filed suit against USD and the Board of Regents, claiming he was unfairly placed on leave for a Facebook post about conservative commentator Charlie Kirk that he says falls under free speech protection. The judge ruled there wasn’t sufficient evidence to show the post disrupted university operations. Hook’s case will continue, with a hearing scheduled for October 8th. For more Government stories from MitchellNow.com, Click Here.