For seven seasons, viewers worldwide watched as ad man Don Draper moved from adultery to self-discovery, secretary Peggy Olson became a take-no-prisoners businesswoman, object-of-the-gaze Joan Holloway developed a feminist consciousness, executive Roger Sterling tripped on LSD, and smarmy Pete Campbell became a surprisingly nice guy. Mad Men defined a pivotal moment for television, earning an enduring place in the medium's history. ...