Conference at UN to review nuclear nonproliferation treaty fails to reach agreement

A four-week conference at the United Nations to review the treaty to prevent the spread of nuclear weapons has ended without an agreement as the United States and Iran spar over Iran's nuclear program. Vietnam’s U.N. Ambassador Do Hung Viet, the conference chair, announced Friday that there was no consensus among the 191 parties to the Nuclear Nonproliferation Treaty on even a watered-down final document. He did not say which country or countries blocked a consensus. It was the third failure in...