Wendell Potter, co-author of the new book “Nation on the Take: How Big Money Corrupts Our Democracy and What We Can Do About it,” will give a presentation 5-7 p.m. at the Buskirk-Chumley Theater, 114 E. Kirkwood Ave. A short documentary film, “FIX IT: Healthcare at the Tipping Point” (39 min.), will also be screened, followed by Q&A. The event is free and open to the public. Sponsored by Hoosiers for a Commonsense Health Plan, League of Women Voters-Monroe County, and Reverse Citizens United.