Mark Harris is the author of the new biography, "Mike Nichols: A Life." In it, Harris explores the life, work, struggle of the celebrated film director, stage director, and improv comedian who was one of the most creative forces in American entertainment history. Following a difficult, lonely adolescence, Nichols left for college in Chicago, then returned to New York in the mid-1950s, where he burst onto the scene as half of a groundbreaking improv duo with Elaine May that was the talk of the