Nuclear program of Iran
U.S. President Obama reportedly sent a letter dated 20 April 2010 to President Lula of Brazil, in which he outlined a proposal of fuel swap. While expressing skepticism that the Iranians would now be willing to accept such a deal, having provided "no credible explanation" for the previous deal's rejection, President Obama wrote "For us, Iran’s agreement to transfer 1,200 kg of Iran’s low enriched uranium (LEU) out of the country would build confidence and reduce regional tensions by substantially reducing Iran’s LEU stockpile." Turkish Prime Minister Recep Tayyip Erdogan received a similar letter. A senior U.S. official told the "Washington Post" that the letter was a response to Iran's desire to ship out its uranium piecemeal, rather than in a single batch, and that during "multiple conversations" U.S. officials made clear that Iran should also cease 20% enrichment; however, the official stated "there was no president-to-president letter laying out those broader concerns".
Hassan Rouhani
Hassan Rouhani (, ; born Hassan Fereydoun () on 12 November 1948) is an Iranian politician serving as the current and seventh President of Iran since 3 August 2013. He was also a lawyer, academic, former diplomat and Islamic cleric. He has been a member of Iran's Assembly of Experts since 1999, member of the Expediency Council since 1991, and a member of the Supreme National Security Council since 1989.
Rouhani was deputy speaker of the fourth and fifth terms of the Parliament of Iran (Majlis) and Secretary of the Supreme National Security Council from 1989 to 2005. In the latter capacity, he was the country's top negotiator with the EU three, UK, France, and Germany, on nuclear technology in Iran, and has also served as a Shi'ite ijtihadi cleric, and economic trade negotiator. He has expressed official support for upholding the rights of ethnic and religious minorities. In 2013, he appointed former industries minister Eshaq Jahangiri as his first vice-president.