Wolfe argues that a place to look for a guide to returning to American greatness are the historic moments when such leaders as Abraham Lincoln and FDR steered America toward national strength and unity.
Hear a conversation with Alan Wolfe about America's sense of itself and America's role in the world.
Alan Wolfe is professor of political science and director of the Boisi Center for Religion and American Public Life at Boston College. His new book is "Return to Greatness: How America Lost Its Sense of Purpose and What it Needs to Do to Recover It."
This program aired on March 22, 2005.