**FILE** In this photo from May 1, 2010, President Obama talks with Michigan Gov. Jennifer Granholm during the University of Michigan commencement ceremony in Ann Arbor, Mich. (Associated Press)
President Barack Obama applauds new Supreme Court Justice Sonia Sotomayor at the start of a reception in the East Room of The White House in Washington, Wednesday, Aug. 12, 2009. (AP Photo/Alex Brandon)
A woman stands next to a poster of Nobel Peace laureate Barack Obama outside the Nobel Peace Center in Oslo, Norway Tuesday, Dec. 8, 2009. Obama will receive the Nobel Peace Prize on Thursday. (AP Photo/Odd Andersen)
President Barack Obama acknowledges the applause of the crowd as he arrives Sunday for commencement ceremonies at the University of Notre Dame in South Bend, Ind. (Associated Press)
**FILE** In this photo from April 2, 2009, President Obama meets with India's Prime Minister Manmohan Singh at the G-20 summit at the ExCel Centre in London. (Associated Press)
** FILE ** Democrats stand and Republicans sit as President Obama delivers his State of the Union address on Capitol Hill in Washington on Wednesday, Jan. 27, 2010. (AP Photo/Pablo Martinez Monsivais)
**FILE** In this Nov. 24, 2009 photo, President Obama's aunt, Zeituni Onyango, poses in her home in Boston with a framed photograph of herself and Obama when he was an Illinois state senator. (Associated Press)
U.S. President Barack Obama speaks after signing the new Strategic Arms Reduction Treaty (START) at the Prague Castle in Prague on April 8, 2010. UPI Photo/Alex Natin.
President Barack Obama points to the crowd before signing the Health Care and Education Reconciliation Act of 2010 at Northern Virginia Community College in Alexandria Tuesday, March 30, 2010. (AP Photo/Alex Brandon)
** FILE ** The Obama administration has called Umar Farouk Abdulmutallab's failed plan to blow up a Dec. 25 flight "an attempted act of terrorism." (AP Photo)
Next year, the fast-food giants and other restaurant chains will have to supply calorie counts on menus and drive-through signs, thanks to a provision in President Obama's health care reform legislation that even affects vending-machine manufacturers. (*FILE PHOTO*/Associated Press photograph)
**FILE** President Obama stands at attention with Chinese President Hu Jintao at the Great Hall of the People in Beijing on Nov. 17, 2009. (Associated Press)
Construction employees work on an overpass over Highway 71 near the southwestern Missouri city of Lamar in 2009. The project was part of President Obama's stimulus package. (Associated Press File)
** FILE ** The closing of the detention facility at the U.S. naval base at Guantanamo Bay, Cuba, was one of President Obama's chief campaign pledges. (AP Photo)
**FILE** President Obama signs the $787 billion economic stimulus bill in Denver in February 2009 as Vice President Joseph R. Biden Jr. looks on. (Associated Press)
LANGLEY, VA - APRIL 20: (AFP OUT) U.S. President Barack Obama makes remarks to Central Intelligence Agency (CIA) employees at the George Bush Center for Intelligence (CIA Headquarters) on April 20, 2009 in Langley, Virginia. In his first visit to the headquarters Obama defended his decision to release memos from Justice Department lawyers that authorized the CIA to use controversial interrogation tactics on suspected terrorists and told agency employees that they will have his full support. (Photo by Ron Sachs-Pool/Getty Images)
** FILE ** President Barack Obama delivers remarks on the economy, Tuesday, April 14, 2009, at Georgetown University in Washington. (AP Photo/Gerald Herbert)
ONE IN A CROWD: President Obama — with Recep Tayyip Erdogan of Turkey, Thailand's Prime Minister Abhisit Vejjajiva, Foreign Minister Prince Saud al-Faisal, Silvio Berlusconi of Italy, Hu Jintao of China and Dmitry Medvedev of Russia — backs global financial restructuring. (Getty Images)