Robert D. Putnam is the Malkin Research Professor of Public Policy at Harvard University and a former Dean of the John F. Kennedy School of Government. Nationally honored as a leading humanist and a renowned scientist, he has written fourteen books, including the bestselling Our Kids and Bowling Alone, and has consulted for the last four US Presidents. In 2012, President Obama awarded him the National Humanities Medal, the nation’s highest honor for contributions to the humanities. His research program, the Saguaro Seminar, is dedicated to fostering civic engagement in America. Visit RobertDPutnam.com.

Based on two new studies, "American Grace" examines the impact of religion on American life and explores how that impact has changed in the last half-century.