www.brookings.edu/events/2013/10/29-2013-american-values-survey-libertarianism-in-the-21st-century On October 29, the religion, policy and politics project at Brookings and the Public Religion Research Institute (PRRI) released PRRI's fourth annual American Values Survey (AVS), a large national, multi-issue survey on religion, values and public policy. This year's survey takes an in-depth look at libertarians, examining their political and religious profiles and their opinions on a range of economic and social issues.