The Clinton Administration criticized the embargo and named Matthew Nimetz as special mediator.

In appointing a special mediator, the Bush Administration showed greater willingness to intervene in labor-management disputes than the hands-off Reagan Administration.

Some schools also have special mediators who are student volunteers trained to resolve conflicts between their classmates or younger pupils.

"In the last few days, the Government's peace negotiator and the special mediator have overcome obstacles that stood in the way of the process of peace," the rebels wrote.

Wells, the secretary said, "contacted us recently and suggested that the time was right to appoint a special mediator."

It is now 12 months since President Hänsch appointed me as his special mediator on transnationally abducted children.

Mr President-in-Office, are you satisfied with the reports that are coming from the special mediator?

At one point, the union lawyer, Sanford Oxfeld, interrupted the questioning and appealed to the judge to either appoint a special mediator or order the board to negotiate.

Dennis B. Ross, the special American mediator for the Middle East, also flew to London for the meeting.

Dennis Ross, the American special mediator, is due to arrive in the region by the weekend.