FILE - In a Friday, Aug. 15, 2003 file photo, a stranded traveler sleeps in the baggage claim area at John F. Kennedy International Airport in New York. Ten years after a blackout cascading from Ohio ... more 
FILE - In a Friday, Aug. 15, 2003 file photo, a stranded traveler sleeps in the baggage claim area at John F. Kennedy International Airport in New York. Ten years after a blackout cascading from Ohio affected 50 million people, utilities and analysts say changes made in the aftermath make a similar outage unlikely today, though shifts in where and how power is generated raise new reliability concerns for the U.S. electric grid system. (AP Photo/Julie Jacobson, File) less 
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Associated Press | Photo By Julie Jacobson, File
Sat, Aug 10, 2013 12:23 PM EDT