Marjorie A. McKeithen will serve as a discussion panelist at the screening of "Haynesville," an independently produced film documenting the discovery of the nation's largest natural gas field in northern Louisiana. The film, presented by the Tulane Energy Institute, will be shown October 26 at the Contemporary Arts Center in New Orleans at 7:00 p.m. A Q&A session, panel discussion, and reception will follow the premiere. Ms. McKeithen is the former Secretary of the Louisiana Mineral Board and Assistant Secretary of the Louisiana Department of Natural Resources, where she served during the height of the Haynesville Shale leasing boom.