(Portland, OR)  --  Three men are facing charges following a traffic stop that turned up a gun in Portland.  Police arrested John Weens, Duronte Talton and Kaleb Anderson following the traffic stop late last week at Southeast 142nd Avenue and Southeast Division Street.  Police say they initiated the stop to arrest Weens on an outstanding warrant on gun violence charges.  The officers saw a gun inside the car during the traffic stop and arrested Talton and Anderson on charges of interfering with a peace officer.