Sheehan has been involved with the Pentagon Papers trial, Watergate, the Karen Silkwood case, the American Sanctuary Movement, Iran-Contra and others. In his new book, “The People’s Advocate,” which will be available at this presentation, Sheehan details all of these cases with never-before-revealed conversations, memos and actions that defined their outcomes. Presented by the Praxis Peace Institute. 7:30 p.m. $15 at the door, Sonoma Community Center, 276 E. Napa St. 939.2973. Praxispeace.org.