Turkey Reinforces Syria Border as Erdogan Backs U.S. Attack
Eric Feferberg /AFP via Getty Images
Russian President Vladimir Putin, left, welcomes Turkey's Prime Minister Recep Tayyip Erdogan at the start of the G20 summit in Saint Petersburg on Sept. 5, 2013. Erdogan, who has expressed a willingness to join any international coalition against Syria, yesterday vowed to respond to any attack from its southern neighbor.