In the heat of summer in 2014, Baghdad was spooked. A third of Iraq was under the control of the self-proclaimed Islamic State, or ISIS. The extremist group thrived in the chaos of the Syrian civil war, then surged over the border into Iraq and took over the cities of Mosul and Tikrit. People worried the capital might be next.
Six months on, that's changed. On New Year's Eve, for instance, the usual midnight curfew was lifted and people partied in the streets and uploaded videos of themselves letting off fireworks.
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08:00 IS launches overnight attack against Iraqi troops in Mosul12
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