Watch part two
The historic face-to-face meeting between Iranian and US diplomats in Geneva earlier this month has opened the possibilities for future dialogue.But it remains to be seen if there is really an opportunity for the de-escalation of Iran's nuclear crisis.Washington says it is simultaneously pursuing two tracks of diplomacy with Tehran - engagement and confrontation. Hillary Clinton, the US secretary of state, is in Moscow to gauge Russia's willingness to impose further sanctions on Iran if the current diplomacy does not work to the US' satisfaction.
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