Bashar Assad

In this Tuesday, Sept. 17, 2013 photo, a Syrian opposition fighter rests inside a cave at a rebel camp in the Idlib Provence countryside of Syria. The main Syrian opposition coalition urged the international community to take swift action against the regime of President Bashar Assad in response to a U.N. finding that the nerve agent sarin was used in a deadly attack near the capital last month.

Narciso Contreras/AP

A Syrian opposition fighter rests inside a cave at a rebel camp in the Idlib province countryside of Syria. The main Syrian opposition coalition urged the international community to take swift action against the regime of President Bashar Assad in response to a UN finding that the nerve agent sarin was used in a deadly attack near the capital last month Read more

A Free Syrian Army member reacts after firing towards positions of pro-Assad regime forces in Deir al-Zor...A Free Syrian Army member reacts after they fire towards positions of pro-Bashar al-Assad regime forces in Deir al-Zor, July 7, 2013.  REUTERS/Khalil Ashawi (SYRIA - Tags: CIVIL UNREST CONFLICT)

Khalil Ashawi/Reuters

A Free Syrian Army member reacts after they fire towards positions of pro Bashar al-Assad regime forces in Deir al-Zor, Syria, on Sunday Read more