Join The Club: How Peer Pressure Can Transform The World explores the value of peer pressure to make positive social change. The book, written by Pulitzer Prize-winning journalist Tina Rosenberg, draws on examples from around the world of groups that have exerted pressure to improve education, promote more healthful behavior and even overthrow dictators. Tonight, Tuesday, March 29, at 7 p.m. Politics and Prose, 5015 Connecticut Ave. NW. Call 202-364-1919 or visit politics-prose.com.