DISTRICT OF COLUMBIA PUBLIC EMPLOYEE RELATIONS BOARD, Appellant, v. DISTRICT OF COLUMBIA METROPOLITAN POLICE DEPARTMENT, Appellee. Fraternal Order of Police/Metropolitan Police Department Labor Committee, Intervenor. No. 88-868.District of Columbia Court of Appeals.Argued January 4, 1990. Decided June 25, 1991. Appeal from the Superior Court, Eugene N. Hamilton, J. Christopher A. Hart, Washington, D.C., for appellant. […]