Iraqi security forces and allied Shiite militiamen look for Islamic State extremists in Tikrit on Tuesday. Iraqi forces were going house-to-house in search of snipers and booby traps.
State police officers patrol a highway between Ciudad Victoria and Matamoros, in northeast Mexico, in 2011. Mexico's drug and turf wars have descended on the once tourist friendly border town of Matamoros.
Misao Okawa, who died at age 117, posed for a photo with her son Hiroshi Okawa, 92, (left) and other family members as they celebrated her birthday last month in Osaka, Japan.
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Prolonged nuclear talks gave Russian journalists time to play a game of giant chess Wednesday in a courtyard of the Beau-Rivage Palace Hotel in Lausanne, Switzerland.
"We must try as best we can to balance isolation and engagement, pressure and incentives, so that human rights and dignity are advanced over time," Obama said five years ago, accepting the Nobel Peace Prize.
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