Satellite photo made available by Amnesty International on Wednesday of the Jabal Badro area of Aleppo, Syria, before a ballistic missile strike on Feb. 18 that reportedly killed scores of residents. AP hide caption

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Robert Ford, the State Department's point man on Syria policy, appears before the Senate Foreign Relations Committee on April 11. Michael Reynolds/EPA /LANDOV hide caption

itoggle caption Michael Reynolds/EPA /LANDOV

Syrians carry a large revolution flag and chant slogans during a protest in Aleppo, Syria, where young people and children sang songs against President Bashar Assad and the Syrian regime, Dec. 21, 2012. Virginie Nguyen Hoang/AP hide caption

itoggle caption Virginie Nguyen Hoang/AP

One-year-old Hassan was discovered in the rubble of an apartment building in Aleppo, Syria, giving his rescuers a moment of hope on a sad day. His parents were killed by the helicopter strike. Global Post hide caption

itoggle caption Global Post

Free Syrian Army fighters are seen in the Syrian town of Azaz, some 20 miles north of Aleppo, on Tuesday. Turkpix/AP hide caption

itoggle caption Turkpix/AP