2014 Pulitzer Prize Winner
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Ukraine: Phone calls prove rebels attacked city, killed 30
A piece of an exploded Grad missile is photographed outside an apartment building in Vostochniy, district of Mariupol, Eastern Ukraine, Sunday, Jan. 25, 2015....
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Iranian Foreign Minister Mohammad Javad Zarif, gestures as he speaks during a panel discussion entitled The  Geopolitical Outlook at the World Economic Forum, Friday, Jan. 23, 2015. The world's financial and political elite will head this week to the Swiss Alps for 2015's gathering of the World Economic Forum at the Swiss ski resort of Davos. (AP Photo/Michel Euler)
Iran foreign minister: Outreach to Saudi Arabia 'necessary'
Iranian Foreign Minister Mohammad Javad Zarif, gestures as he speaks during a panel discussion entitled "The Geopolitical Outlook" at the World Economic Forum,...
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Pope Francis flanked by children waves to faithful at the end of the noon Angelus prayer from his studio's overlooking St. Peter's Square at the Vatican, Sunday, Jan. 25, 2015. (AP Photo/Gregorio Borgia)
After dove debacle, Vatican makes balloons new peace symbol
Pope Francis flanked by children waves to faithful at the end of the noon Angelus prayer from his studio's overlooking St. Peter's Square at the Vatican, Sunday,...
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In this photo taken Jan. 20, 2015 file photo, Lia Reich, director of marketing with PrecisionHawk, holds up their agricultural and insurance drone, the PrecisionHawk Lancaster, after an event with the Small Unmanned Aerial Vehicles (UAV) Coalition, at the National Press Club in Washington. Farmers and ranchers are eagerly awaiting the ability to use drones commercially on their land _ technology that could have benefits for consumers, too. Unmanned aircraft could make farmers more efficient by helping them locate problem spots in vast fields or ranchlands. It could mean less impact on the environment, if farmers used fewer chemicals because drones showed them exactly where to spray. Five ways drones could impact the food supply. (AP Photo/Jacquelyn Martin)
5 ways unmanned drones could affect the American food supply
In this photo taken Jan. 20, 2015 file photo, Lia Reich, director of marketing with PrecisionHawk, holds up their agricultural and insurance drone, the...
A Houthi Shiite fighter wearing an army uniform chants slogans during a demonstration to show support for his comrades in Sanaa, Yemen, Friday, Jan. 23, 2015. Thousands of protesters demonstrated Friday across Yemen, some supporting the Shiite rebels who seized the capital and others demanding the country's south secede after the nation's president and Cabinet resigned. (AP Photo/Hani Mohammed)
Obama: Counterterrorism operations in Yemen not affected
A Houthi Shiite fighter wearing an army uniform chants slogans during a demonstration to show support for his comrades in Sanaa, Yemen, Friday, Jan. 23, 2015....
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A piece of an exploded Grad missile is photographed outside an apartment building in Vostochniy, district of Mariupol, Eastern Ukraine, Sunday, Jan. 25, 2015. Indiscriminate rocket fire slammed into a market, schools, homes and shops Saturday in Ukraine's southeastern city of Mariupol, killing at least 30 people, authorities said. The Ukrainian president called the blitz a terrorist attack and NATO and the U.S. demanded that Russia stop supporting the rebels. (AP Photo/Evgeniy Maloletka)
Obama 'deeply concerned' about latest violence in Ukraine
A piece of an exploded Grad missile is photographed outside an apartment building in Vostochniy, district of Mariupol, Eastern Ukraine, Sunday, Jan. 25, 2015....
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Protesters hold posters against Houthi Shiite rebels who hold the capital, Sanna, amid a power vacuum as they hold a demonstration in Sanaa on Saturday, Jan. 24, 2015. Some 20,000 marched Saturday across the capital, where demonstrators converged on the house of President Abed Rabbo Mansour Hadi, who resigned Thursday along with his Cabinet. Arabic writing on the banner at right reads, Militias do not build a country. (AP Photo/Hani Mohammed)
Yemen's Shiite rebels disperse protesters in capital, Sanaa
Protesters hold posters against Houthi Shiite rebels who hold the capital, Sanna, amid a power vacuum as they hold a demonstration in Sanaa on Saturday, Jan. 24,...
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In this Jan. 11, 2014 file photo, French comedian Dieudonne M'Bala M'Bala arrives for a press conference in a theater in Paris, France. When cartoonists at a French publication that had poked fun at the Prophet Muhammad were shot dead, millions around the world felt it as an attack on freedom of speech. Since the rampage, French authorities have arrested dozens of people _ including a comedian _ for appearing to praise the terrorists or encourage more attacks. That has unleashed accusations of a double standard, in which free speech applies to those who mock Islam while Muslims are penalized for expressing their own provocative views. (AP Photo/Michel Euler, File)
French arrests raise question: Is free speech for all?
In this Jan. 11, 2014 file photo, French comedian Dieudonne M'Bala M'Bala arrives for a press conference in a theater in Paris, France. When cartoonists at a...
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