WASHINGTON, Dec. 17 -- The Federal Labor Relations Authority issued the following decision (Case No. 0-AR-5674): Before the Authority: Ernest DuBester, Chairman, and Colleen Duffy Kiko and James T. Abbott, Members (Chairman DuBester concurring) Statement of the Case We reaffirm that arbitrators may not amend the plain wording of a collective bargaining agreement to impose wholly new obligations on the parties. The parties settled a dispute over how to implement the leave provisions of Execu  more