Andrea Koppel, who left CNN last July after 14 years as an on-air correspondent, has joined M+R Strategic Services, a Washington, DC-based public relations firm with a long list of left of center and solidly left-wing clients, as chief of its Communications Division. Amongst the clients listed on the firm's Web site: Environmental Defense, Earthjustice, Natural Resources Defense Council, Union of Concerned Scientists, Turner Foundation, Robert Wood Johnson Foundation, People for the American Way, Campaign for America's Future, Democratic Congressional Campaign Committee, National Organization of Women - New York State, NARAL Pro-Choice New York, Planned Parenthood Federation of America, as...