New Books Network recently interviewed Carlo DiClemente, presidential research professor and professor of psychology, about his co-authored book Substance Abuse Treatment and the Stages of Change: Selecting and Planning Interventions (Guilford Press, 2013). The network, a consortium of author-interview podcasts designed to enhance public conversation on given topics, interviewed DiClemente as part of its “New Books in Alcohol, Drugs and Intoxicants” series. In a comprehensive interview, DiClemente discussed the stages of change model as it relates to substance abuse and drug addiction treatment, as well the need for careful consideration of stage status and the complexities surrounding substance abuse. “The message in the book is …