Dan Berger is a writer, activist, and the George Gerbner Postdoctoral Fellow at the University of Pennsylvania. He writes about race and postwar American social movements. Berger is the author of Outlaws of America: The Weather Underground and the Politics of Solidarity (AK Press, 2006) and coeditor of Letters From Young Activists . His latest book is The Hidden 1970s: Histories of Radicalism (Rutgers University Press, 2010). He is currently writing a book called Captive Nation: Black Prison Organizing in the Civil Rights Era.