Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
CNN's Jill Dougherty reports on the increased rhetoric and threats coming out of North Korea.
RELATED: Material in North Korea's nuclear test unclear, worrying for U.S.
N.Korean leader is unstable and I feel we are on the brink of a war again.As we keep bring tougher sanction on them it will only make the situation more unstable,but the sanctions are very important,and needed!
North Korea is unpredictable and should be taken serious.