Article Photos: Iran positive but noncommittal about talks with US 2/4

U.S. Vice President Joe Biden, right, hugs Israeli Defense Minister Ehud Barak as he arrives for the Security Conference in Munich, southern Germany, on Saturday, Feb. 2, 2013. The 49th Munich Security Conference started Friday afternoon with experts from 90 delegations, including Biden. (AP Photo/Matthias Schrader)