FILE - In this Sept. 28, 2010 file photo, Pacific Gas and Electric Company President Christopher Johns, right, testifies before a Senate Commerce Committee hearing on Capitol Hill in Washington on the... more 
FILE - In this Sept. 28, 2010 file photo, Pacific Gas and Electric Company President Christopher Johns, right, testifies before a Senate Commerce Committee hearing on Capitol Hill in Washington on the San Bruno, Calif., gas pipeline explosion. Seated at left is California Public Utilities Executive Director Commission Paul Clanon. A year after the San Bruno explosion, the neighborhood and survivors of the tragedy are still struggling to rebuild. (AP Photo/Susan Walsh, File) less 
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Associated Press | Photo By Susan Walsh, File
Mon, Sep 5, 2011 8:37 AM EDT