US President Barack Obama and Vice President Joe Biden lay a wreath at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Virginia, on January 20, 2013. Obama will be officially sworn in for a second term in office later in the day. AFP PHOTO/Jewel Samad
Upphovsman: JEWEL SAMAD
President Barack Obama pauses as he makes a statement at the State Dining Room of the White House August 8, 2011 in Washington, DC. Obama spoke on the economy, S&P downgrade and the loss of Navy SEAL members in Afghanistan.
Upphovsman: Alex Wong
U.S. President Barack Obama (L) shakes hands with Cuban President Raul Castro during the official memorial service for former South African President Nelson Mandela at FNB Stadium December 10, 2013 in Johannesburg, South Africa. Over 60 heads of state have travelled to South Africa to attend a week of events commemorating the life of former South African President Nelson Mandela. Mr Mandela passed away on the evening of December 5, 2013 at his home in Houghton at the age of 95. Mandela became South Africa's first black president in 1994 after spending 27 years in jail for his activism against apartheid in a racially-divided South Africa.
Upphovsman: Chip Somodevilla
President Barack Obama delivers his State of the Union speech on Capitol Hill on January 28, 2014 in Washington, DC. In his fifth State of the Union address, Obama is expected to emphasize on healthcare, economic fairness and new initiatives designed to stimulate the U.S. economy with bipartisan cooperation.
President Barack Obama smiles while speaking during the 36th annual National Italian American Foundation Gala October 29, 2011 in Washington, DC. President Barack Obama delivered the keynote address at the awards gala which is part of a two-day convention for the organization.
Upphovsman: Brendan Smialowski
In this handout photo provided by the White House, President Barack Obama speaks with President Hassan Rouhani of Iran during a phone call in the Oval Office September 27, 2013 in Washington D.C.
U.S. President Barack Obama (R) and his daughters Malia (L) and Sasha (C) walk across the South Lawn of the White House after arriving by Marine One January 5, 2014 in Washington, DC. Obama returns from a two-week holiday in Hawaii.