Most people say they fall somewhere in the middle of the spectrum on contentious social and political issues. However, it sometimes seems the terms of debate are often dictated by the ends of the spectrum. From abortion, to prayer in school, to peace negotiations in Northern Ireland and the Middle East, it appears that the hardliners are the ones who move people to act. Join Ray Suarez and guests to explore the question: do the extremes control the debate? ...on the next Talk of the Nation, from NPR News.