Attorney Argues With New Policy. Students enrolling in medical programs at the University of Missouri this fall were required to take drug tests - a new mandate one local attorney says is unconstitutional. To make his point, attorney Dan Viets cites Linn State Technical College's attempt to screen its students this year. A U.S. district judge last week issued a preliminary injunction blocking those tests and warned the public college that she doesn't think the requirement passes constitutional muster. [continues 362 words]