Liberal Democrats are in positions of major influence throughout the media’s political units. Begin with the networks. ABC’s political coverage is run by Jeff Grainick, George McGovern’s press secretary in 1971. He rose from an associate producer position in 1972 to executive producer of “World News Tonight” by 1979. He’s been in charge of ABC’s election coverage since 1982. Jeff Greenfield, a ringside convention analyst, wrote speeches for Robert F. Kennedy in 1968. At CBS News, political editor Dotty Lynch toiled as deputy pollster for George McGovern in 1972, as polling director for the Democratic National Committee in 1981-82, and ...