A member of Iraq's elite counterterrorism service flashes the "V" for victory sign Tuesday in Ramadi, the capital of Iraq's Anbar province. Iraq's prime minister says the extremist group will be pushed out of Iraq in 2016. Ahmad Al-Rubaye/AFP/Getty Images hide caption

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After Ramadi, A Look At What's Next In The Fight Against ISIS
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"You've got to respect how this guy keeps on saying stuff he surely doesn't actually believe himself and KNOWS are impossible and unconstitutional to actually do," writes a reader of the Jakarta Post, after presidential candidate Donald Trump spoke of a ban on Muslims entering the U.S. Sean Rayford/Getty Images hide caption

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Federal Bureau of Investigation assistant director David Bowdich speaks during a news conference on Friday in San Bernardino, Calif. The FBI is officially investigating the attack carried out by Syed Farook and his wife Tashfeen Malik as an act of terrorism. Justin Sullivan/Getty Images hide caption

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An image from the report "ISIS in America: From Retweets to Raqqa" shows (clockwise from top) a suspended Twitter user announcing their new account, and examples of other Twitter accounts that help spread extremist information online. Program on Extremism/George Washington University hide caption

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Anti-terror police detain a man identified as Ahmet Dahmani, an alleged ISIS member, in Antalya, Turkey, Saturday. One of three people arrested, Dahmani is accused of scouting locations for last week's terror attacks in Paris. IHLAS News Agency/EPA /LANDOV hide caption

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Municipal employees clean the exterior the Carillon cafe, one day after a terrorist attack hit Paris. ISIS has claimed responsibility for the deadly violence. Antoine Antoniol/Getty Images hide caption

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A U.S. drone aircraft used a Hellfire missile to hit a target that was believed to include Mohammed Emwazi, known as "Jihadi John," seen here in an image made from a militant video that has been verified by SITE Intel Group. AP hide caption

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The U.S. plans to send up to 50 members of its Special Operations Forces to Syria to help fight ISIS. They'll be entering a war zone with many combatants. Here, smoke rises from a building in the rebel-controlled area of Douma, east of Damascus, early Friday, after a reported shelling by Syria's government. Sameer Al-Doumy/AFP/Getty Images hide caption

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Shiite militiamen pose with their banner (right) next to a captured — and upside-down — ISIS flag (left) in Tikrit, Iraq. Militias are bolstering Iraqi forces in a major operation to retake the city from the self-proclaimed Islamic State. Mohammed al-Mozani/AP hide caption

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Dura Europos, a Roman walled city in eastern Syria, dates back to 330 B.C. The main gate is shown here in a photo from 2010. It's one of the many important archaeological sites militants of the self-styled Islamic State have ransacked and damaged. EPA /Deir Ezz-Zour Antiquities Department/Landov hide caption

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Via Satellite, Tracking The Plunder Of Middle East Cultural History
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These pop-up targets are part of an advanced drill, named "friend or foe," that tests shooter reaction times. Some targets have a camera, and others, like these pictured, have a gun. The shooter must decide within seconds whether to shoot. Deborah Amos/NPR hide caption

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Saudi Arabia Ramps Up Training To Repel Homegrown Terrorists
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