A campaign in Mississippi in June 1964 aimed to register as many African-American voters as possible in the state. Peniel Joseph, professor of history and founding director of the Center for the Study of Race and Democracy at Tufts University and author of Dark Days, Bright Nights: From Black Power to Barack Obama (Basic Books, 2010), talks about the goals, violence, and legacy of the Freedom Summer project. We take your calls remembering this season 50 years ago. We're also joined by David Goodman, brother of Andrew Goodman and founder of the Andrew Goodman Foundation.