These slides are for the AEA 2011 conference session of the same name, Session 785 to be held in Pals Verdes B on Friday, Nov 4, 4:30 to 6:00 PM. It will describe the results of an evaluation of the Robert Wood Johnson Foundation's 20 year initiative to reduce tobacco use in the United States, reflecting also on the most effective methods the foundation used to influence public policy.#2011Conference #EvaluationPolicy