Allen Ruff speaks with historian Nancy MacLean, author of the award-winning look at the origins of the right’s ongoing offensive, Democracy in Chains. She’s the William H. Chafe Professor of History and Public Policy at Duke University, where she teaches courses on post-1945 America, social movements, and public policy history. MacLean is the featured speaker at the Wisconsin Democracy Campaign’s Annual Celebration tonight at 5:30, at Lussier Family Heritage Center, 3101 Lake Farm Rd.