US politics

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 Read more

Pope Francis Meets President Obama...VATICAN CITY, VATICAN - MARCH 27:  The silhouette of US President Barack Obama is seen as he arrives in his car at the San Damaso courtyard for a meeting with Pope Francis on March 27, 2014 in Vatican City, Vatican. This is Obama's first audience with Pope Francis and it is the second time that he has been received at the Vatican, after an audience with Pope Benedict XVI on July 10, 2009. Barack Obama is the ninth US President to make an official visit to the Vatican. The first, Woodrow Wilson, received by Pope Benedict XV after the end of the First World War.  (Photo by Franco Origlia/Getty Images)

Franco Origlia/Getty

US President Barack Obama arrives at the San Damaso courtyard for a meeting with Pope Francis in Vatican City, Vatican. This is Mr Obama’s first audience with Pope Francis, and it is the second time he has been received at the Vatican, after an audience with Pope Benedict XVI on July 10 2009. He is the ninth US president to make an official visit to the Vatican. The first, Woodrow Wilson, was received by Pope Benedict XV after the end of World War I.

Federal Reserve Board Governor Tarullo administers the oath of office to new Federal Reserve Board Chairwoman Yellen at the Federal Reserve Board in Washington...Federal Reserve Board Governor Daniel Tarullo (L) administers the oath of office to new Federal Reserve Board Chairwoman Janet Yellen at the Federal Reserve Board in Washington, February 3, 2014.  REUTERS/Jim Bourg    (UNITED STATES - Tags: BUSINESS POLITICS)

Jim Bourg/Reuters

US Federal Reserve board governor Daniel Tarullo (left) administers the oath of office to new board chairwoman Janet Yellen in the Fed’s board room, Washington Read more

President Obama Delivers Economic Address At A Maryland Costco...LANHAM, MD - JANUARY 29:  U.S. President Barack Obama greets supporters, local politicans and store employees after delivering remarks at Costco January 29, 2014 in Lanham, Maryland. Repeating some of the same policy proposals from his State of the Union speech the night before, Obama is beginning a two-day, four-state tour to promote a raise in the minimum wage, immigraiton reform and other other policy ideas.  (Photo by Chip Somodevilla/Getty Images)

Chip Somodevilla/Getty

US President Barack Obama greets supporters, local politicians and store employees after delivering remarks at Costco in Lanham, Maryland on Wednesday. Repeating some of the same policy proposals from his State of the Union speech the night before, Mr Obama is beginning a two-day, four-state tour to promote immigration reform and an increase in minimum wage. Read more

A man holds up a sign as he stands in quiet protest outside the War Memorial building in Trenton...A man holds up a sign as he stands in quiet protest outside the War Memorial building in Trenton, New Jersey January 21, 2014. Governor Chris Christie is being sworn in today for his second term.     REUTERS/Carlo Allegri

Carlo Allegri/Reuters

A man stands in quiet protest outside the War Memorial building in Trenton, New Jersey. Governor Chris Christie is being sworn in today for his second term.

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.CRead more

U.S. first lady Obama and her daughters Sasha and Malia welcome the official White House Christmas tree at the North Portico of the White House in Washington...U.S. first lady Michelle Obama (R) and her daughters Sasha and Malia welcome the official White House Christmas tree at the North Portico of the White House in Washington November 29, 2013. The 18.5-foot Douglas Fir was grown by Chris Botek, a second generation Christmas tree farmer from Crystal Spring Tree Farm in Lehighton, Pennsylvania.    REUTERS/Jason Reed

Jason Reed/Reuters

Michelle Obama, US first lady, and her daughters Sasha and Malia welcome the official White House Christmas tree to the White House in Washington. The 18.5ft Douglas Fir was grown by Chris Botek, a second-generation Christmas tree farmer from Crystal Spring Tree Farm in Lehighton, Pennsylvania. Read more

Travelling White House staff and press board the rear steps of Air Force One on a foggy morning in Seattle...Travelling White House staff and press board the rear steps of Air Force One on a foggy morning in Seattle, November 25, 2013. U.S. President Barack Obama is attending fundraisers and events on the economy and immigration in Los Angeles and San Francisco on Monday.

Jason Reed/Reuters

White House staff and press board the rear steps of Air Force One on a foggy morning in Seattle. US president Barack Obama is attending fundraisers and events on the economy and immigration in Los Angeles and San Francisco on Monday. Read more

A protester holds a placard calling for Germany to give political asylum to the fugitive former U.S. spy agency contractor Edward Snowden, outside the seat of the lower house of parliament, the Bundestag in Berlin.

Thomas Peter/Reuters

A protester holds a placard outside the Bundestag in Berlin calling for Germany to give political asylum to Edward Snowden, the fugitive former National Security Agency contractor

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 Read more