Show arbitration failed chicago arbitration without an umpire proved to be a failure in the case of the packing house teamsters and their employers negotiations ere broken off on friday after the arbitrators for the second time had tailed to agree on an umpire A strike of the packing house teamsters was averted several weeks ago by an agreement being entered into to abbl aibl the question ot an increase of 4 cents an hour to all teamsters the business agent of the teamsters union may call a strike of the teams at any time |