Japan's nuclear crisis has galvanized anti-nuclear sentiment around the world. But the anti-nuke movement isn't new. What became of the music, the protests, the art of activism of years' past? What does/did activism achieve? Where do we go from here? The musicians of Emma's Revolution Emmasrevolution.com discuss musical-activist empowerment. Also: we step back in time with Ronald Reagan and Dr. Helen Caldicott, and hear comments from listeners.