US backed militias defeat ISIS in its Syrian capital of Raqqa

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With the backing of American power, Kurdish and Arab forces may have destroyed the city of Raqqa -- in order to save it. They claim that ISIS has been dislodged from what used to be called its "capital city." Liz Sly, who covers Syria, Iraq and Lebanon for the Washington Post, has more on the players and their roles.




Warren Olney