Have special interests taken over the country, derailing the public agenda and threatening representative democracy? Or is it possible that the maturation of interest group politics will yield a more pluralistic and balanced society? Interest groups have changed over the past two decades, and so have the ways in which we study them. This volume charts the changes in interest group theory, organization, activity, and the influence of interest groups in the United States and beyond.Leading scholars and practitioners trace notable shifts in interest group politics, including challenges to...