Outgoing U.S. Energy Secretary Chu is pictured in the audience during a science and technical innovation award ceremony in the East Room of the White House in Washington

 
Outgoing U.S. Energy Secretary Chu is pictured in the audience during a science and technical innovation award ceremony in the East Room of the White House in Washington
Outgoing U.S. Energy Secretary Steven Chu is pictured in the audience during a science and technical innovation award ceremony in the East Room of the White House in Washington, February 1, 2013. REUTERS/Jason Reed