White House

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President Barack Obama reaches up to present a 2010 Presidential Medal of Freedom to basketball hall of fame member, former Boston Celtics coach and captain Bill Russell, Tuesday, Feb. 15, 2011, during a ceremony in the East Room of the White House in Washington. (AP Photo/Pablo Martinez Monsivais)

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President Barack Obama stands with Libby Little, whose husband Dr. Tom Little, an optometrist killed in Afghanistan, is posthumously awarded the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama awards the 2010 Medal of Freedom to Warren Buffett during a ceremony in the East Room of the White House in Washington Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama kisses author and poet Maya Angelou after awarding her the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama awards cellist Yo-Yo Ma the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama awards baseball hall of fame member, former St. Louis Cardinals great Stan "The Man" Musial the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama awards civil rights activist Sylvia Mendez the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama presents AFL-CIO President Emeritus John Sweeney the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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** FILE ** President Barack Obama presents Rep. John Lewis, D-Ga., the 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama awards Holocaust survivor and author Gerda Weissmann Klein a 2010 Medal of Freedom during a ceremony in the East Room of the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama presents a 2010 Presidential Medal of Freedom to John H. Adams, co-founder of the Natural Resources Defense Council, Tuesday, Feb. 15, 2011, during a ceremony in the East Room of the White House in Washington. (AP Photo/Carolyn Kaster)

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President Barack Obama gestures during a news conference on the White House complex in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Evan Vucci)

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President Obama speaks in the East Room of the White House in Washington on Tuesday, Feb. 15, 2011, during the Medal of Freedom ceremony. (AP Photo/Charles Dharapak)

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President Obama makes a statement about his budget during a press conference at the White House in Washington, Tuesday, Feb. 15, 2011. (AP Photo/Charles Dharapak)

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** FILE ** Office of Management and Budget Director Jacob Lew discusses the White House budget on Monday, Feb. 14, 2011, in Washington. (Associated Press)

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President Barack Obama steps off Marine One helicopter on the South Lawn of the White House in Washington as he returns from Baltimore, Md., Monday, Feb. 14, 2011. (AP Photo/Charles Dharapak)

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President Barack Obama walks with budget director Jack Lew and Education Secretary Arne Duncan on the South Lawn of the White House in Washington as they travel to Baltimore, Md., Monday, Feb. 14, 2011. (AP Photo/Charles Dharapak)

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Office of Management and Budget Director Jack Lew discusses the White House budget on Monday, Feb. 14, 2011, in Washington. (AP Photo/Evan Vucci)

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President Obama makes a statement on the resignation of Egypt's President Hosni Mubarak in the Grand Foyer at the White House in Washington, Friday, Feb. 11, 2011. (AP Photo/Carolyn Kaster)

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President Obama meets with Egyptian President Hosni Mubarak on Wednesday, Sept. 1, 2010, in the Oval Office of the White House in Washington. (AP Photo/Susan Walsh)