President Barack Obama and First Lady Michelle Obama greet His Excellency Gabriel Arcanjo Ferreira da Costa, Prime Minister of the Democratic Republic of Sao Tome and Principe, 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.