Late exit polls showed Obama losing the Pennsylvania primary to rival Sen.
Hillary Clinton of New York by ten percentage points.
President Obama welcomed President Calderon to the White House today for an official state visit that is taking place amid tension over immigration politics and Mexico's deadly drug war.
The event includes a diverse array of talent featuring both musical performances and historical readings and an appearance by U. S President Barack Obama, as they wait for Mexican President Felipe Calderon and his wife Margarita Zavala to arrive for a State Dinner at the White House on May 19, 2010 in Washington, DC.
(TIM SLOAN/AFP/Getty Images) President Barack Obama and First Lady Michelle walk the Inaugural Parade route following Obama being sworn in as 44th US president January 20, 2009 in Washington, DC. President Barack Obama (R) looks at his wife, first lady Michelle Obama (L), as she speaks during a reception in honor of International Womenï¿½s Day at the East Room of the White House March 8, 2010 in Washington, DC.
Obama and Michelle twice stepped from of their limousine and out onto Pennsylvania Avenue to walk down the route taking them to the White House. The reception honored women from around the world and their achievements.
(VANDERLEI ALMEIDA/AFP/Getty Images) US President Barack Obama and First Lady Michelle Obama chat as they walk to the White House in Washington, DC, on December 14, 2011 upon returing from Fort Bragg, North Carolina, where they met US troops. President Barack Obama (R), first Lady Michelle Obama (2nd R), former President George W.
Obama on December 14, honored America's nearly nine years of 'bleeding and building' in Iraq, hailing the 'extraordinary achievement' of a war he once branded 'dumb.' (JEWEL SAMAD/AFP/Getty Images) First Lady Michelle Obama kisses US President Barack Obama after introducing him during a signing ceremony for a bill which provides tax credits to companies to put veterans back to work November 21, 2011 in the South Court Auditorium, next to the White House in Washington, DC. Bush walk past the North Pool of the 9/11 Memorial during the tenth anniversary ceremonies of the September 11, 2001 terrorist attacks at the World Trade Center site, September 11, 2011 in New York City.
None of which, however, were African American, he says.