Iran  and six world powers sought on Tuesday to make headway toward resolving their decade-old nuclear dispute, with Western officials expressing hope the talks would not be further complicated by the  Ukraine  crisis. So far, diplomats said, there is little...

 The Palestinian militant group Hamas on Tuesday called Egypt's curbs on movement through its crossing with the Gaza Strip a "crime against humanity", in an unprecedented rebuke of its Arab neighbor that further frays their worsening ties. The closures, that  Egypt...

Iran  and six world powers will try to make headway toward resolving their nuclear dispute in talks starting in Vienna on Tuesday, with Western officials hoping the uphill challenge will not be made even more difficult by the  Ukraine  crisis. So far, diplomats...

With the Ukraine crisis, any fleeting hope that the U.S. and Russia could soon broker a political settlement in Syria has vanished. The United States needs an alternate strategy for strengthening Syrian moderates who can resist both the brutal Bashar al-Assad regime and al-Qaeda...