BELGRADE, Serbia — The Islamic State can be defeated within "months" of a ceasefire between Syria's government and moderate rebels, U.S. Secretary of State John Kerry said Thursday, urging the world to come together behind a peace strategy recently hashed out by the United States, Russia and other countries.
Kerry said air power alone won't be enough. The campaign will require ground forces, too, he said at a European security conference. He later specified those would be local Syrian and Arab boots on the ground, not Western troops.
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