Syrian rebels take part in a battle Thursday in the northwestern town of Maaret al-Numan. The U.S. says it will begin providing arms to the rebels, who have been losing ground recently to the Syrian army. Daniel Leal-Olivas/AFP/Getty Images hide caption

itoggle caption Daniel Leal-Olivas/AFP/Getty Images

A Syrian female rebel monitors the movement of Syrian government forces in the Sheikh Maqsud district of the northern Syrian city of Aleppo in April. Dimitar Dilkoff /AFP/Getty Images hide caption

itoggle caption Dimitar Dilkoff /AFP/Getty Images

Some Republican lawmakers hope President Obama sends arms to Syria's rebels — and cruise missiles after Syrian military targets. Jonathan Sunderman/AP hide caption

itoggle caption Jonathan Sunderman/AP

A man carries a boy badly wounded by the fighting between government forces and rebels on March 11, 2012. The U.N. says at least 93,000 people have been killed in the fighting. Rodrigo Abd/AP hide caption

itoggle caption Rodrigo Abd/AP

Syrian soldiers stand in the main square of the western city of Qusair. Government troops recaptured the town on Wednesday after rebels had held it for more than a year. It's seen as a significant victory for President Bashar Assad's government. STR/AFP/Getty images hide caption

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Syrian President Bashar Assad reiterated his intention to remain in his current position during a television interview last week. The Syrian president and his army have been looking stronger in recent weeks, many analysts say. SANA/AP hide caption

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The port city of Tartous is in a region loyal to President Bashar Assad. The city has been a refuge for supporters to vacation and seek work. Steve Inskeep/NPR hide caption

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A Syrian soldier walks through the hotly contested city of Qusair on May 22. The Syrian army, backed by Lebanon's Hezbollah militia, has been waging a fierce fight with rebels in the key western city for the past two weeks. STR/STR/AFP/Getty Images hide caption

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