1.   But U.S. intelligence officials have said the reclusive state may have already stockpiled enough plutonium for at least one bomb.

2.   Japan has promised that it will not stockpile plutonium.

3.   The communist state is believed to have stockpiled enough plutonium to build at least one atomic bomb.

4.   The North is believed to have already stockpiled enough plutonium to make at least one atomic bomb.

5.   The North claims its nuclear program is peaceful but U.S. intelligence officials think that the hard-line communist country might have stockpiled enough plutonium to make at least one bomb.

6.   The North is believed to have stockpiled enough plutonium to make one or two atomic bombs.

7.   Washington suspects Pyongyang has stockpiled enough plutonium to manufacture one or two atomic bombs.