Salman Shah (R), Pakistan's advisor to the Prime Minister on Economic Affairs, and Manouchehr Mottaki (L), Iranian Foreign Minister, sign an agreement on trade and commercial affairs as Iranian Vice President Parviz Davoudi,(2nd L) and Pakistan's Prime Minister Shaukat Aziz, (2nd R) watch, in Islamabad May 25, 2006. Iran has no desire for nuclear weapons but will not compromise on its right to develop nuclear technology to meet its energy needs, First Vice President Parviz Davoudi said in Pakistan on Thursday. REUTERS/Mian Khursheed