Biden to visit Greece, Turkey at key moment in region

WASHINGTON - US Vice President Joe Biden travels to Turkey this week amid deepening concern over Syria, before visiting a new Greek leader battling a debt crisis that could unravel the euro zone and sink the US recovery.
Biden flies into Ankara on Thursday with a range of hot-button topics to discuss including the eight-month crackdown on pro-democracy protests in neighboring Syria and the future of Iraq after US troops leave by the year's end.