We have been a consistent advocate of a world free of nuclear weapons.

WHITEHOUSE: President Obama and Prime Minister Singh Press Conference

You have all heard or read the comments by four of our elder statesmen first published in The Wall Street Journal, Secretaries Perry, Shultz and Kissinger and Senator Nunn, who have been urging certain steps because they would like to move toward a world that is free of nuclear weapons.

CENTERFORSECURITYPOLICY: Senator Kyl on nuclear deterrence

Only by a concerted effort to free the world of nuclear weapons could the terrifying trend be reversed.

ECONOMIST: Banning the bomb will be hard, but not impossible

Barack Obama's vision of a nuclear-weapons-free world into a policy prescription known as the Nuclear Posture Review.

CENTERFORSECURITYPOLICY: Disarmer-in-Chief

We're working with our partners to stop the spread of nuclear weapons, and seek a world free of them.

WHITEHOUSE: The White House