Mideast Iran Nuclear Talks(01 of13)
Open Image ModalIranians celebrate on a street in northern Tehran, Iran, Thursday, April 2, 2015, after Iran\'s nuclear agreement with world powers in Lausanne, Switzerland. Iran and six world powers reached a preliminary nuclear agreement Thursday outlining commitments by both sides as they work for a comprehensive deal aiming at curbing nuclear activities Tehran could use to make weapons and providing sanctions relief for Iran. (AP Photo/Ebrahim Noroozi) (credit:ASSOCIATED PRESS)
Mideast Iran Nuclear Talks(02 of13)
Open Image ModalIranians celebrate on a street in northern Tehran, Iran, Thursday, April 2, 2015, after Iran\'s nuclear agreement with world powers in Lausanne, Switzerland. Iran and six world powers reached a preliminary nuclear agreement Thursday outlining commitments by both sides as they work for a comprehensive deal aiming at curbing nuclear activities Tehran could use to make weapons and providing sanctions relief for Iran. (AP Photo/Ebrahim Noroozi) (credit:ASSOCIATED PRESS)
IRAN-NUCLEAR-POLITICS(03 of13)
Open Image ModalPeople stand in the sunroof of a car and flash the \'V for Victory\' sign as they celebrate on Valiasr street in northern Tehran on April 2, 2015, after the announcement of an agreement on Iran nuclear talks. Iran and global powers sealed a deal on April 2 on plans to curb Tehran\'s chances for getting a nuclear bomb, laying the ground for a new relationship between the Islamic republic and the West. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images) (credit:ATTA KENARE via Getty Images)
IRAN-NUCLEAR-POLITICS(04 of13)
Open Image ModalA woman in a car flashes the \'V for Victory\' sign with neon lights as people celebrate on Valiasr street in northern Tehran on April 2, 2015, after the announcement of an agreement on Iran nuclear talks. Iran and global powers sealed a deal on April 2 on plans to curb Tehran\'s chances for getting a nuclear bomb, laying the ground for a new relationship between the Islamic republic and the West. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images) (credit:ATTA KENARE via Getty Images)
IRAN-NUCLEAR-POLITICS(05 of13)
Open Image ModalPeople in a car flash the \'V for Victory\' sign and wave an Iranian flag as they celebrate on Valiasr street in northern Tehran on April 2, 2015, after the announcement of an agreement on Iran nuclear talks. Iran and global powers sealed a deal on April 2 on plans to curb Tehran\'s chances for getting a nuclear bomb, laying the ground for a new relationship between the Islamic republic and the West. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images) (credit:ATTA KENARE via Getty Images)
IRAN-NUCLEAR-POLITICS(06 of13)
Open Image ModalA man holds a five pound note out of his car window as people celebrate on Valiasr street in northern Tehran on April 2, 2015, after the announcement of an agreement on Iran nuclear talks. Iran and global powers sealed a deal on April 2 on plans to curb Tehran\'s chances for getting a nuclear bomb, laying the ground for a new relationship between the Islamic republic and the West. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images) (credit:ATTA KENARE via Getty Images)
Obama Iran Nuclear Talks(07 of13)
Open Image ModalPresident Barack Obama speaks the Rose Garden of the White House in Washington, Thursday, April 2, 2015, about the breakthrough in the Iranian nuclear talks. The president heralded a framework nuclear understanding with Iran as an \"historic\" agreement that could pave the way for a final deal that would leave the U.S., its allies and the world safer. (AP Photo/Pablo Martinez Monsivais) (credit:ASSOCIATED PRESS)
Obama Iran Nuclear Talks(08 of13)
Open Image ModalPresident Barack Obama speaks the Rose Garden of the White House in Washington, Thursday, April 2, 2015, about the breakthrough in the Iranian nuclear talks. The president heralded a framework nuclear understanding with Iran as an \"historic\" agreement that could pave the way for a final deal that would leave the U.S., its allies and the world safer. (AP Photo/J. David Ake) (credit:ASSOCIATED PRESS)
Switzerland Iran Nuclear Talks(09 of13)
Open Image ModalIranian Foreign Minister Javad Zarif, right, claps with European Union High Representative for Foreign Affairs and Security Policy Federica Mogherini, after making a statement at the Swiss Federal Institute of Technology, or Ecole Polytechnique Federale De Lausanne, in Lausanne, Switzerland, Thursday, April 2, 2015, after Iran nuclear program talks finished with extended sessions. The United States, Iran and five other world powers on Thursday announced an understanding outlining limits on Iran\'s nuclear program so it cannot lead to atomic weapons, directing negotiators toward achieving a comprehensive agreement within three months. (AP Photo/Brendan Smialowski, Pool) (credit:ASSOCIATED PRESS)
Switzerland Iran Nuclear Talks(10 of13)
Open Image ModalIranian Foreign Minister Javad Zarif gestures as he speaks during a press conference, at the Swiss Federal Institute of Technology, or Ecole Polytechnique Federale De Lausanne, in Lausanne, Switzerland, Thursday, April 2, 2015, after Iran nuclear program talks finished with extended sessions. The United States, Iran and five other world powers on Thursday announced an understanding outlining limits on Iran\'s nuclear program so it cannot lead to atomic weapons, directing negotiators toward achieving a comprehensive agreement within three months. (AP Photo/Brendan Smialowski, Pool) (credit:ASSOCIATED PRESS)
Federica Mogherini - Javad Zarif press conference(11 of13)
Open Image ModalLAUSANNE, SWITZERLAND - APRIL 2: EU\'s foreign policy chief Federica Mogherini holds a press conference during the announcement of an agreement on Iran nuclear talks at the The Swiss Federal Institutes of Technology (EPFL) in Lausanne, on April 2, 2015 . (Photo by EU Council/Pool/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
IRAN-NUCLEAR-POLITICS(12 of13)
Open Image ModalWomen sitting in a car flash the \'V for Victory\' sign as they celebrate on Valiasr street in northern Tehran on April 2, 2015, after the announcement of an agreement on Iran nuclear talks. Iran and global powers sealed a deal on April 2 on plans to curb Tehran\'s chances for getting a nuclear bomb, laying the ground for a new relationship between the Islamic republic and the West. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images) (credit:ATTA KENARE via Getty Images)
Switzerland Iran Nuclear Talks(13 of13)
Open Image ModalFrom left Foreign Secretary Philip Hammond speaks to US Secretary of State John Kerry as European Union High Representative for Foreign Affairs and Security Policy Federica Mogherini and Iranian Foreign Minister Javad Zarifat take their positions before making a statement , at the Swiss Federal Institute of Technology, or Ecole Polytechnique Federale De Lausanne, in Lausanne, Switzerland, Thursday, April 2, 2015, after Iran nuclear program talks finished with extended sessions. The United States, Iran and five other world powers on Thursday announced an understanding outlining limits on Iran\'s nuclear program so it cannot lead to atomic weapons, directing negotiators toward achieving a comprehensive agreement within three months. (AP Photo/Brendan Smialowski, Pool) (credit:ASSOCIATED PRESS)