WASHINGTON - MARCH 30: Sen. Lamar Alexander (R-TN) questions witnesses on Capitol Hill on March 30, 2011 in Washington, DC. The hearing focused on nuclear power plant safety in light of the earthquake... more 
WASHINGTON - MARCH 30: Sen. Lamar Alexander (R-TN) questions witnesses on Capitol Hill on March 30, 2011 in Washington, DC. The hearing focused on nuclear power plant safety in light of the earthquake and nuclear plant troubles in Japan. (Photo by Brendan Hoffman/Getty Images) less 
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Getty Images | Photo By Brendan Hoffman / Getty Images
Wed, Mar 30, 2011 12:06 PM EDT