22 May 2012 Last updated at 20:08 ET Focus falls on Baghdad for Iran nuclear deal By James Reynolds BBC News, Baghdad Dust storms have arrived in Baghdad as negotiators gather to discuss Iran's nuclear ambitions Forget the history and the security. Above all, there is the sand. In recent days, Iraq's capital has been hit by a sandstorm that make the city look like a colony on Mars. In the mornings, anything more than 30 metres in the distance fades into a fog of dull orange. The airport has been closed. Many residents wear face masks. The sand-coated capital of Iraq is an unlikely choice for a nuclear summit. Nations dealing with extreme weather, bombings and political unrest tend not to be chosen as ... Continue reading →