Do the religious affiliations of elected officials shape the way they vote on such key issues as abortion, homosexuality, defense spending, taxes, and welfare spending? In Religion, Politics, and Polarization: How Religiopolitical Conflict is Changing Congress and American Democracy, William D'Antonio, Steven A. Tuch and Josiah R. Baker trace the influence of religion and party in the U.S. Congress over time. For almost four decades these key issues...