On today's Your Call, we’ll speak with Seth Rosenfeld, author of Subversives: The FBI's War on Student Radicals and Reagan's Rise to Power. “Ultimately,” says Rosenfeld, “this is a cautionary tale about the dangers of secrecy and power.” Join us at 10am PST or post a comment here. What are your memories of activism in Berkeley in the 60s? Or if you’re involved today, have you experienced repression? It’s Your Call with Holly Kernan, and you.