U.S. President-elect Barack Obama (R) looks on as Steven Chu, director of Lawrence Berkeley National Lab, speaks after being introduced as Obama's Energy Secretary nominee during a news conference in Chicago, December 15, 2008. Obama also named former Environmental Protection Agency chief Carol Browner to head a new council to coordinate White House energy, climate and environment policies, and Lisa Jackson, chief of staff for New Jersey's governor, to run the EPA. REUTERS/Stephen J. Carrera (UNITED STATES)

- Image ID: 2D1AFC7
U.S. President-elect Barack Obama (R) looks on as Steven Chu, director of Lawrence Berkeley National Lab, speaks after being introduced as Obama's Energy Secretary nominee during a news conference in Chicago, December 15, 2008. Obama also named former Environmental Protection Agency chief Carol Browner to head a new council to coordinate White House energy, climate and environment policies, and Lisa Jackson, chief of staff for New Jersey's governor, to run the EPA.     REUTERS/Stephen J. Carrera (UNITED STATES) Stock Photo
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U.S. President-elect Barack Obama (R) looks on as Steven Chu, director of Lawrence Berkeley National Lab, speaks after being introduced as Obama's Energy Secretary nominee during a news conference in Chicago, December 15, 2008. Obama also named former Environmental Protection Agency chief Carol Browner to head a new council to coordinate White House energy, climate and environment policies, and Lisa Jackson, chief of staff for New Jersey's governor, to run the EPA. REUTERS/Stephen J. Carrera (UNITED STATES)
REUTERS / Alamy Stock Photo
Image ID: 2D1AFC7

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