CBS Evening News | New book reveals 1,200 accidents involving nuclear weapons between 1950 and 1968

Documents obtained from the Sandia National Laboratory list 1,200 nuclear weapons involved in incidents that threatened the public's safety in the U.S. between 1950 and 1968. Jim Axelrod spoke to Eric Schlosser, author of "Command and Control," which documents these incidents. Air Date: Sep 21, 2013