Alana and Troy Pack died in 2003 when a woman abusing pain pills hit the children with her car. The accident has led to a ballot measure that, among other things, would put new constraints on physicians. Courtesy of the Pack family hide caption

itoggle caption Courtesy of the Pack family

Nearly $1.3 billion was paid in malpractice claims for outpatient events in 2009. Mark Winfrey (EyeMark)/iStockphoto.com hide caption

itoggle caption Mark Winfrey (EyeMark)/iStockphoto.com