March 17, 2011 5:40 pm What is the Radiation Danger to California? Dr. Bruce Hensel puts the radiation danger in California into perspective. US & World Videos 3:12 Groundbreaking new device targets liver tumors 5:38 SoCal family wins $11M settlement against mental health facility 2:17 Kaiser Permanente reaches tentative agreement with union 1:21 Why some are getting Botox shots on arms 4:20 What Is Cardiac Arrest and How Common Is It Among Young People?