By Nolan ClayStaff writernclay@oklahoman.comA self-described Second Amendment "auditor" was arrested Tuesday after being accused of illegally taking a rifle into an Oklahoma City restaurant.Police allege Timothy A. Harper, 52, of Choctaw, violated a state law that prohibits possessing or carrying a rifle in any establishment where alcoholic beverages are consumed.Prosecutors already have agreed to file a felony charge against Harper in Oklahoma County District Court, according to a police affidavit.Read more on NewsOK.com