KALAMAZOO (NEWS 3) - The man accused of dousing former presidential candidate Pat Buchanan with salad dressing has pleaded not guilty in a Kalamazoo court. Samuel John Messick was arraigned on charges of disturbing the peace Thursday. He reportedly tossed a cup of salad dressing on the conservative commentator at a speech he was giving at Western Michigan University on March 31st. Buchanan decided not to press felony assault charges against the man. Messick will be back in court at the end of the month.