Dealing with dirty bombs
Tomorrow the Department of Homeland Security will announce a National Response Plan -- guidelines for the wake of nuclear or biological attack. The Department is also working out a response to a dirty bomb. If a terrorist got some radiological material - cobalt 60 is in thousands of hospitals-- it wouldn't take much know-how to make a device that could spread radioactive particles for miles. From the Health Desk at WGBH, Helen Palmer reports what at issue is how much cleanup a dirty bomb would require -- and what that would cost.
bomb dog (Getty Images)
