LATE NEWS;LONG JOHN SILVER'S TALKS TO SHOPS ABOUT ACCOUNT; NABISCO READIES TEST OF RITZ WITH OLEAN;BEST WESTERN RETAINS CONSULTANT FOR REVIEW;NFL, COWBOYS DROP LAWSUITS OVER MARKETING;CHI-CHI'S SERVES $12 MIL ACCOUNT TO CME;P&G WILL HEAR PITCHES FOR $175