European Union foreign policy chief Catherine Ashton (L) and Iran's chief nuclear negotiator Saeed Jalili walk before their meeting, in the garden of the Iranian Consulate in Istanbul May 15, 2013. ... more 

European Union foreign policy chief Catherine Ashton (L) and Iran's chief nuclear negotiator Saeed Jalili walk before their meeting, in the garden of the Iranian Consulate in Istanbul May 15, 2013. REUTERS/Osman Orsal less