Hillary Clinton, the US secretary of state, has warned that the US sees Iran's nuclear programme as the main threat in the region.<br /><br />She made her comments at the US-Islamic World Forum in Qatar, a conference jointly organised by the Qatari foreign ministry and the US-based Brookings Institution and intended to promote dialogue on improving US-Islamic relations.<br /><br />Al Jazeera's Clayton Swisher has this report.<br /><br />[February 16, 2010]
