The chairman of the Joint Chiefs of Staff is expressing concern that North Korea might follow its alleged torpedoing of a South Korean warship with other provocative acts.
Adm. Mike Mullen tells "Fox News Sunday" that North Korean leader Kim Jong Il tends not to stop after a single provocative move. So Mullen worries that Kim could be planning something else.
North Korea denies that it downed the South Korean ship. An international investigation led by South Korea has said the North was to blame. Forty-six South Korean sailors were killed in the explosion.
Mullen says it's up to President Barack Obama to decide whether North Korea should go back on the State Department's list of nations that sponsor terrorism. North Korea was removed from that list during the Bush administration.
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