PHILADELPHIA, PA - SEPTEMBER 2: U.S. Secretary of State John Kerry delivers a speech on the nuclear agreement with Iran at the National Constitution Center on September 2, 2015 in Philadelphia, Pennsylvania. U.S. Sen. Barbara Mikulski (D-MD) announced her support for the Iran nuclear deal, becoming the 34th Democratic senator to back the president. (Photo by Mark Makela/Getty Images)
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Kerry: Assad must transition 'orderly'
Situation Room
Secretary of State John Kerry reveals a change in the administration's position on Syrian President Bashar al-Assad. Secretary Kerry speaks with CNN's Elise Labott.
02:34 - Source: CNN
Syria's President Bashar al-Assad 16 videos
PHILADELPHIA, PA - SEPTEMBER 2: U.S. Secretary of State John Kerry delivers a speech on the nuclear agreement with Iran at the National Constitution Center on September 2, 2015 in Philadelphia, Pennsylvania. U.S. Sen. Barbara Mikulski (D-MD) announced her support for the Iran nuclear deal, becoming the 34th Democratic senator to back the president. (Photo by Mark Makela/Getty Images)
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Kerry: Assad must transition 'orderly'
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Syrian President Bashar al Assad drives through newly recaptured parts of Eastern Ghouta.
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Syria's Bashar al-Assad visits Eastern Ghouta
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A refugee from Syria prays after arriving on the shores of the Greek island of Lesbos aboard an inflatable dinghy across the Aegean Sea from from Turkey on September 7, 2015. Greece sent troops and police reinforcements on September 6 to Lesbos after renewed clashes between police and migrants, the public broadcaster said, while Syrian refugees on the island were targeted with Molotov cocktail attacks. More than 230,000 people have landed on Greek shores this year and the numbers have soared in recent weeks as people seek to take advantage of the calm summer weather. AFP PHOTO / ANGELOS TZORTZINIS (Photo credit should read ANGELOS TZORTZINIS/AFP/Getty Images)
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The refugee crisis ... from the Syrian war to now
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Caption:THIS PICTURE WAS TAKEN ON A GOVERNMENT-GUIDED TOUR A flag showing Syrian President Bashar al-Assad flutters near damaged buildings in Adra northeast of the capital Damascus on September 25, 2014. Syrian government troops recaptured an area of the key rebel-held town Adra used to house workers, after securing the highway and the industrial zone, a security source and monitoring group said. AFP PHOTO / LOUAI BESHARA (Photo credit should read LOUAI BESHARA/AFP/Getty Images)
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Fighters from a coalition of Islamist forces stand on a huge portrait of Syrian President Bashar al-Assad on March 29, 2015, in the Syrian city of Idlib, the second provincial capital to fall from government control.
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UNHCR special enjoy Angelina Jolie makes a plea to the United Nations Security Council to urge countries to do more to protect refugees of the ongoing conflict in Syria. April 24, 2015.
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