(Portland, OR)  --  Half a dozen men are facing charges following a month-long human trafficking sting.  The Portland Police Bureau arrested six men for commercial sexual solicitation between January 1st and February 2nd.  Detectives say a total of 252 people contacted them as potential buyers during the online sting.  That's the third highest number of contacts among the 22 law enforcement agencies across the country taking part in the National John Suppression Initiative.