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Iraq defeated ISIS more than a year ago. The group's revival is already underway

Baghdad, Iraq (CNN)There is a different feel to the atmosphere in Baghdad these days, as if the chokehold that has gripped the Iraqi capital for the better part of the last decade and a half has started to ease.On the main road cutting through the Karada district, the sidewalks are crowded with vendors hawking designer knock-offs and sticky sweets. Restaurants lining the boulevard grill masgouf, a butterflied carp considered to be Iraq's national dish, over open flames. People sit at outdoor cafés, sipping tea and smoking shisha.Two and a half years ago, ISIS plowed a truck packed with explosives into a busy shopping area down the road during Ramadan, killing hundreds of people.Now, young men sporting skinny jeans, funky jackets and what w ...