N. Korea threatens to resume nuke development over sanctions

SEOUL, South Korea (AP) — North Korea has warned it could revive a state policy aimed at strengthening its nuclear arsenal if the United States does not lift economic sanctions against the country.The statement released by the Foreign Ministry Friday evening came amid a sense of unease between Washington and Seoul over the use of sanctions and pressure to get the North to relinquish its nuclear program.The ministry said North Korea could bring back its "pyongjin" policy of simultaneously a