SAN FRANCISCO, CA - MAY 19: U.S. Transportation Secretary Ray LaHood (L) and U.S. Rep. Jackie Speier (D-CA) look into a fenced off area where a gas line exploded in September of last year on May 19, ... more 
SAN FRANCISCO, CA - MAY 19: U.S. Transportation Secretary Ray LaHood (L) and U.S. Rep. Jackie Speier (D-CA) look into a fenced off area where a gas line exploded in September of last year on May 19, 2011 in San Francisco, California. Transportation Secretary Ray LaHood and U.S. Rep. Jackie Speier toured the San Bruno gas explosion site and a construction site where gas lines are being replaced. (Photo by Justin Sullivan/Getty Images) less 
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Getty Images | Photo By Justin Sullivan / Getty Images
Thu, May 19, 2011 7:24 PM EDT