Jake Sullivan assures Eyal Hulata that while Biden administration still prefers diplomacy to prevent nuclear Iran, it's 'preparing alternative options' if Vienna talks fail

Comments carried by state TV come a day after foreign minister indicated a willingness to negotiate directly with US

Former hostages push for fate of Americans, Europeans and others detained by Tehran to be included in deal, but some caution against further complicating talks by linking issues

State Department asserts face-to-face talks will be more 'efficient' for communication, warns time running out to save 2015 nuclear deal

Tehran's foreign minister claims Washington has been indicating in 'different ways' that it also seeks face-to-face negotiations to save 2015 pact

Warning Tehran can prepare nuclear weapon within weeks, INSS presents annual survey to President Herzog, calling for an integrated Israeli approach to external, domestic challenges

Moscow said to offer some sanctions relief in return for nuclear program limits; Biden administration said to have knowledge of proposal, which would likely need US Congress review

US president says all six world powers are on the same page in negotiations opposite Tehran on reviving 2015 pact, week after top diplomat says time running out

Russian president praises 'close cooperation' as chief negotiators return to Vienna after consultations; Iran's leader says 'no limits for expanding ties'

To prepare for either stalemate or an unpopular deal coming out of Vienna talks, US doubles down on message that intractable Iran conflict is a result of Trump's JCPOA withdrawal