Dori J. Maynard, a journalist who was at the forefront of the campaign to make the American news media a more accurate mirror of American diversity, died on Tuesday at her home in Oakland, Calif. She was 56. The cause was lung cancer, her mother, Liz Rosen, said. At her death, Ms. Maynard was the … Continue reading Dori J. Maynard, diversity advocate in journalism, dies at 56