Beth L. Leech is an associate professor of political science at Rutgers University. She teaches, researches, and publishes on interest groups, lobbying, and policymaking. She is the co-author of several books, including the APSA award-winning Lobbying and Policy Change: Who Wins, Who Loses, and Why (University of Chicago Press, 2009) and Meeting at Grand Central: Understanding the Social and Evolutionary Roots of Cooperation (Princeton University Press, 2012). Professor Leech is a widely consulted expert on interviewing methods in the social sciences. Before embarking on an academic career, sh...