Bangalore, Sept 5: NATO leaders grappled on Thursday with whether the alliance has a role in containing a mounting militant threat in the Middle East, as heads of state converged in Wales for a high-stakes summit also focused on the crisis in Ukraine and next steps in Afghanistan.
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Obama poses for shutterbugs
U.S. President Barack Obama poses for photographs with local dignitaries and Britain's Prince Charles whilst attending a 'Welcome the World to Wales' reception hosted by the Prince as part of a NATO summit at the Celtic Manor Resort in Newport, Wales.
Bob, left, and Mike Bryan react after defeating Scott Lipsky and Rajeev Ram in a semifinal doubles match during the 2014 U.S. Open tennis tournament in New York.
Actors arrive for film screening in Venice
Actors Alexandra Daddario, Antoin Yelchin, and Ashley Greene pose for photographers as they arrive for the screening of Burying the Ex at the 71st edition of the Venice Film Festival in Venice, Italy.
Cara Black, Sania Mirza on court
Cara Black, right, returns a shot as Sania Mirza looks on during a semifinal doubles match of the 2014 U.S. Open tennis tournament in New York.
Roger Federer in action
Roger Federer, of Switzerland, hits a backhand to Gael Monfils, of France, during the quarterfinals of the U.S. Open tennis tournament in New York.