61.   Kim Il Sung agreed to freeze his nuclear program and resume talks with the U.S.

62.   Most analysts outside the United States and Israel are convinced that the Iranian nuclear program remains at a rudimentary level.

63.   Nations without nuclear programs also want greater sharing of technology -- not only in atomic energy but in areas like nuclear medicine and agricultural techniques that could speed development.

64.   Nor has North Korea agreed to extend the freeze on its nuclear program while the talks proceed.

65.   North Korea continues to drag its feet on an agreement to end its nuclear program.

66.   North Korea has been willing to freeze its nuclear program, but is reluctant to roll back that program irreversibly until it is reassured and rewarded.

67.   North Korea will respond to the breakdown of the nuclear deal, he says, by restarting its nuclear program and resuming its missile tests.

68.   North Korea, whose nuclear program has caused much nervousness in Asia, has not signed.

69.   North Korea agreed to freeze its nuclear program and to allow inspectors to monitor a cooling pond where some spent reactor fuel rods were being stored.

70.   North Korea said that as a result it could no longer keep its nuclear program suspended.