The United Nations General Assembly has convened in New York amid a global financial crisis, rising oil prices and loud protests.

Mahmoud Ahmadinejad, the president of Iran, is due to address the General Assembly on Tuesday.

His second visit to the UN has been marred in protests with thousands of demonstrators protesting Iran's threats towards Israel and its human rights record.

A massive pro-democracy rally is scheduled to take place during the president's address in which he is expected to criticise the US and its foreign policy as well as defend Iran's uranium enrichment programmes.

On Riz Khan we take a look at the current state of US-Iran relations and what a change in the White House might mean for the way forward.

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