Susan Lehman ’81, a communications executive, editor and lawyer, is the new publisher and editor-in-chief of Twelve, a small and respected imprint of Grand Central Publishing. She has worked over the years as media strategist, writer and editor in the realms of magazines, law, television and newspapers. She served as as an editor at Riverhead Books from 2003–2004. Twelve has published 39 titles, 19 of which have made The New York Times best-seller list, including God Is Not Great by Christopher Hitchens and War by Sebastian Junger ’84. In a recent article in The New York Times, Lehman said she…