North Korean workers and students perform during a festival to celebrate the 90th anniversary of the birth of the North Korea (news - web sites)'s late founder Kim Il Sung and current leader Kim Jong Il's 60th birthday at Pyongyang's May Day stadium in No
WASHINGTON â€“ North Korea's mention of "more powerful" weapons in its statement admitting to a nuclear weapons program could mean the country thinks it can create a thermonuclear, or hydrogen, bomb, scientists told United Press International on Thursday.
The North Korean regime confirmed the existence of its uranium-enrichment and weapons development program to U.S. officials Oct. 2 after being confronted with evidence about it from U.S. intelligence sources. North Korea, officials said, ominously warned it had even "more powerful" weapons.
The Bush administration disclosed the news late Wednesday in a series of apparently orchestrated leaks to selected U.S. media.
The ambiguous "more powerful" comment has been interpreted as a threat of biological or chemical weapons, but other meanings are possible, said Michael Levi, director of Federation of American Scientists' Strategic Security...