Ok, I can't identify any of the aides in the background, but left to right in the foreground are former Republican House Minority Leader Bob Michael; former Democrat Speaker of the House, Tipp O'Neill; President Reagan; and former Sen. Howard Baker. I don't know what job Baker was in at the time. Whether he was still in the senate or in the administration. If he was at a meeting of the president with congressional leaders, I'd say he was still in the senate.
Well done. You and mystery-ak both got it. But she cheated, her hubby helped her! ;-)
I believe Howard Baker was the Majority (Minority?) Leader during the Reagan administration.
I believe he became the President's chief of staff when Don Reagan was fired.