obama

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and others, stand on the South Lawn of the White House in Washington, Thursday, Sept. 11, 2014, as they observe a moment of silence to mark the 13th anniversary of the 9/11 attacks.

Charles Dharapak/AP

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and others, stand on the South Lawn of the White House in Washington on Thursday, as they observe a moment of silence to mark the 13th anniversary of the 9/11 attacks

British Prime Minister David Cameron (L)...British Prime Minister David Cameron (L) and US President Barack Obama speak with school kids during their visit to Mount Pleasant Primary School in Newport, South Wales, on September 4, 2014, prior to attending the NATO summit. NATO leaders will aim to show unity against Russia over the conflict in Ukraine, after France suspended delivery of a warship to Moscow despite a surprise peace plan put forward by the Kremlin. AFP PHOTO / Saul LOEBSAUL LOEB/AFP/Getty Images

Saul Loeb/AFP/Getty

British Prime Minister David Cameron and US President Barack Obama speak with school kids during their visit to Mount Pleasant Primary School in Newport, South Wales. 

Barack Obama...U.S. President Barack Obama greets children as he is welcomed by Estonian President Toomas Hendrik Ilves at Kadriorg Palace in Tallinn, Estonia, Wednesday, Sept. 3, 2014. Obama is in Estonia for a one day visit where he will meet with Baltic State leaders before heading to the NATO Summit in Wales. (AP Photo/Charles Dharapak)

Charles Dharapak/AP

U.S. President Barack Obama greets children as he is welcomed by Estonian President Toomas Hendrik Ilves at Kadriorg Palace in Tallinn, Estonia. Obama is in Estonia for a one day visit where he will meet with Baltic State leaders before heading to the NATO Summit in Wales. 

Philippines Anti Obama Protest

Bullit Marquez/AP

Protesters try to force their way closer to the US Embassy in Manila on Wednesday during a rally against next week’s visit by US president Barack Obama.

Philippines US Obama Visit

Bullit Marquez/AP

A protester is prevented by police from placing a sticker on the logo of the US embassy during a rally in Manila, Philippines, ahead of a visit by US president Barack Obama. The US and Philippine governments are rushing to finalise, for possible signing, the so-called Agreement on Enhanced Defence Co-operation (AEDC) which will allow a larger US military presence in the country.

Filipino activists hold paper mache skulls  painted with US flags as they march outside the US embassy in Manila, Philippines on Monday in a rally condemning the upcoming visit of US President Barack Obama to the country. Activists also called for an end to the presence of US troops in the country and the Visiting Forces Agreement (VFA).

Dennis M. Sabangan/EPA

Filipino activists wear painted skull masks at a march outside the US embassy in Manila, Philippines, on Monday to condemn an upcoming visit by US President Barack Obama. Activists also called for an end to the presence of US troops in the country and the visiting forces agreement.

Obama Welcomes World Series Champions Boston Red Sox To The White House...WASHINGTON, DC - APRIL 01:  Boston Red Sox designated hitter David Ortiz (L) poses for a "selfie" with U.S. President Barack Obama during a ceremony on the South Lawn of the White House to honor the 2013 World Series Champion Boston Red Sox April 1, 2014 in Washington, DC. The Red Sox defeated the St. Louis Cardinals in the 2013 World Series. (Photo by Win McNamee/Getty Images)

Win McNamee/Getty

Boston Red Sox designated hitter David Ortiz poses for a selfie with US President Barack Obama during a ceremony at the White House to honour the 2013 World Series Champions 

Firemen spray their water cannon at protesters who are forcing their way closer to U.S. Embassy in Manila, Philippines, Tuesday, Feb. 25, 2014 during a protest against the forthcoming visit of U.S. President Barack Obama. The protesters were also calling for the pullout of U.S. troops in the country under the Visiting Forces Agreement

Bullit Marquez/AP

Firemen spray a water cannon at protesters forcing their way towards the US embassy in Manila on Tuesday during a protest against the forthcoming visit of US president Barack Obama. The protesters were also calling for the pullout of US troops in the country under the Visiting Forces Agreement.

A worker power washes the West Wing of t...A worker power washes the West Wing of the White House January 15, 2014 in Washington, DC. AFP PHOTO/Brendan SMIALOWSKIBRENDAN SMIALOWSKI/AFP/Getty Images

Brendan Smialowski/AFP

A worker power-washes the West Wing of the White House in Washington D.C

Artists A.Signl, left, and B.Shanti, second from right, of the artist group Captain Borderline paint their mural   'Surveillance of the fittest' at a wall in Cologne, Germany, Thursday, Oct. 24, 2013. The painting shows an American Bald Eagle with surveillance cameras watching a herd of sheep to draw attention to the spying program of the American National Security Agency. Germany demanded answers to ìall open questionsî about U.S. surveillance Thursday following allegations that American intelligence may have targeted Chancellor Angela Merkelís cellphone, and her chief of staff noted that Washington hasnít denied past snooping.

Frank Augstein/AP

Artists A Signl (left) and B Shanti (second from right), of the artist group Captain Borderline, paint a mural “Surveillance of the Fittest” on a wall in Cologne, Germany, to draw attention to the spying programme of the US intelligence services