ST. LOUIS—The St. Louis man who along with his wife was pardoned after waving guns at social justice demonstrators has filed a lawsuit to have the guns returned and to have fines the couple paid returned to them. Mark McCloskey, a Republican candidate for the U.S. Senate, argued in a lawsuit filed Wednesday in St. Louis City Circuit Court that the pardon he and his wife, Patricia, received from Gov. Mike Parson nullifies all judgments and orders in the case, The Kansas City Star reported. The government seized the McCloskeys’ Colt AR-15 rifle and Bryco pistol after he pleaded guilty in June to misdemeanor assault and was fined $750. His wife pleaded guilty to second-degree misdemeanor harassment and was fined $2,000. Parson announced Tuesday that he had pardoned the McCloskeys, as he had promised to do after they were charged. In his petition, McCloskey, who is a lawyer, said the …