President Barack Obama and First Lady Michelle Obama greet His Excellency José Mário Vaz, President of the Republic of Guinea-Bissau, and Ms. Rosa Teixeira Goudiaby Vaz, in the Blue Room during a U.S.-Africa Leaders Summit dinner at the White House, Aug. 5, 2014. White House Photo by Amanda Lucidon/ This official White House photograph is in the public domain from a copyright perspective, so while restrictions such as personality or privacy rights may apply, in general, manipulations are allowed.