James Reynolds
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Iran nuclear talks 'tested' in Geneva

15 October 2013 Last updated at 08:41 BST

Talks on Iran's nuclear programme are taking place for the first time since the election of President Hassan Rouhani.

Seen as a relative moderate, Mr Rouhani has said he wants a deal on Iran's nuclear programme within six months.

The BBC's James Reynolds explains what might happen over the next two days.