** FILE ** President Obama is embraced by the Rev. Al Sharpton after Mr. Obama spoke about immigration reform on Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

** FILE ** President Obama is embraced by the Rev. Al Sharpton after Mr. Obama spoke about immigration reform on Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)