PBS NewsHour

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After analyzing thousands of webcam snapshots of landscapes in various weather conditions, computer scientists at Brown University have developed a system that can automatically change the appearance of weather in nearly any outdoor photo. With...
U.S. Secretary of State John Kerry, left, attends a press conference with Afghani presidential candidates Ashraf Ghani Ahmadzai, center, and Abdullah Abdullah, right, ahead o the second round of presidential election in Kabul, Afghanistan on Friday...
African and American leaders prepare for the third and final plenary meeting of the U.S.-Africa Leaders Summit in Washington August 6. Photo by Chip Somodevilla/Getty Images They arrived on jet planes. They clogged downtown Washington, D.C. streets...
Kurdish Pershmerga gather at the front lines in Kalak, west of the Iraqi capital Irbil, on Thursday facing militants from the Islamic State just a little over a mile away. On Friday U.S. launched air strikes on Islamic militants in the region. Photo...
Iraqi Yazidis fled Sinjar, after extremists took over the northwestern town, to the Kurdish city of Dohuk on Aug. 5. Photo by Hamit Huseyin/Anadolu Agency/Getty Images The United States overnight airdropped food and water to Iraqis in the northern...
Watch Video | Listen to the AudioRELATED LINKSIs the U.S. heading back into Iraq? Islamic State makes new gains in Iraq Islamic militants destroy sacred Iraqi shrine HARI SREENIVASAN: Just as we went on the air, there were reports that the U.S. had...