In Herat, Afghanistan, on Friday: Demonstrators shouted anti-American slogans. Aref Karimi/AFP/Getty Images hide caption

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An Afghan policeman aims at protesters by a burning police truck set alight during an anti-U.S. demonstration on Friday over burning of Qurans at a U.S. military base in Afghanistan. Hoshang Hashimi/AP Photo hide caption

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A U.S soldier of 82nd Airborne patrols near a forward base in the Ghorak district of Kandahar southern Afghanistan. Rafiq Maqbool/AP hide caption

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U.S. troops and Afghan National Army soldiers on a joint security patrol in Kandahar province last August. Romeo Gacad /AFP/Getty Images hide caption

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Gen. David Petraeus in Kandahar, Afghanistan, on July 4, 2011. U.S. Navy Lt. j.g. Haraz N. Ghanbari/Getty Images hide caption

itoggle caption U.S. Navy Lt. j.g. Haraz N. Ghanbari/Getty Images

Protesters in Karachi, Pakistan, burned an American flag earlier this month to express their anger over the airstrikes that killed 24 Pakistani soldiers. Rizwan Tabassum /AFP/Getty Images hide caption

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