Article Photos: Biden: US would hold direct talks if Iran serious



US Vice President Joe Biden, right, and Sheikh Moaz al-Khatib, Syria's top opposition leader, shake hands at the Security Conference in Munich, southern Germany, on Saturday, Feb. 2, 2013. (AP Photo/Matthias Schrader)

US Vice President Joe Biden, right, and Sheikh Moaz al-Khatib, Syria's top opposition leader, shake hands at the Security Conference in Munich, southern Germany, on Saturday, Feb. 2, 2013. (AP Photo/Matthias Schrader)