North Korea claims it's ready to use nuclear weapons against the United States any time it wants.
LISTEN:Â Sung-Yoon Lee speaks to KPMG Early Edition about North Korea's tactics.
It's commemorated the country's 70th anniversary by revamping and restarting its atomic bomb fuel production plants.
This comes a day after it threatened to launch satellites that may contain nuclear weapons.
But Fletcher School of Law and Diplomacy Korean Studies professor Sung-Yoon Lee said it's about gaining leverage.
"They are not suicidal, but merely attaining that capability would give them tremendous leverage on all sorts of issues."
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