TAUNTON, Mass. — A Massachusetts man has been charged with robbing a Rhode Island liquor store and stabbing a 68-year-old customer who police say tried to intervene.Miguel Gonzalez was charged Friday with robbing the liquor store in East Providence on Dec. 2 and a store and pharmacy in Massachusetts.Taunton police say detectives from multiple police departments discussed their investigations together and realized they were chasing the same suspects.