As Iran and the US head into the third round of renewed nuclear talks this weekend, the progress made in the initial phases has kindled Iranian hopes that an agreement could be reached which will enable it to boost oil output and attract foreign investment. But any deal would be subject to the ever-changing whims of US President Trump, and talks on the more taxing technical issues are only now just beginning.

Mr Trump has set a two-month timeline to reach an agreement; an extraordinarily tight timeframe for such a complicated international deal. Perhaps a preliminary agreement would suffice. (CONTINUED - 2128 WORDS)