Turkey's President Recep Tayyip Erdogan speaks on Monday at the presidential palace in Ankara. Turkey is now embroiled in conflicts with Syria's President Bashar Assad, the Islamic State and the Kurdish separatists.
Free Syrian Army fighters run behind sandbags in Daraa Al-Mahata, in southern Syria, on Jan. 21. Many moderate rebels joined the uprising to fight against President Bashar Assad, but the U.S. plans to train them to fight the self-proclaimed Islamic State.
Syrian President Bashar Assad, shown here in July, appeared to be in a tough position at the beginning of the year. But many analysts say his hold on power grew stronger over the course of 2014, due in part to the U.S. bombing campaign against the Islamic State.
A convoy of U.N. vehicles with chemical weapons experts on board head out on Friday to do more work as the investigate allegations of chemical weapons use in near Damascus.
Louai Beshara /AFP/Getty Images
In Washington, D.C., this week, there have been demonstrations both in favor of and against a military strike on targets in Syria. Outside the White House on Monday, supporters of Syrian President Bashar Assad waved a Syrian flag with his face on it.
Jewel Samad/AFP/Getty Images
Vice President Joe Biden stands in front of his residence at the Naval Observatory in Washington, D.C., on Sunday, as President Obama arrives at a dinner Biden is hosting for Republican senators.
Lindsay Graham, R-S.C., right, accompanied by Sen. John McCain, R-Ariz., speaks Monday following a White House meeting with President Obama. Both senators are calling for a tough military response against Syria.
Pablo Martinez Monsivais/AP Photo