The latest news on North Korea
North Korea warned the U.S. that sanctions and military drills will endanger the entire region.
Secretary of State Clinton and Defense Secretary Gates showed solidarity with South Korea.
Don't forget: We're still in Korea.
North Korea offers a perfect illustration of realism’s blind spot.
Obama administration warned more than a dozen states of possible sanctions for failing to do enough.
South Korea referred North Korea to the U.N. Security Council over the sinking of a navy ship.
Zogby on Week 72: This is the type of week a president could wake in a cold sweat and ask 'did I really want this job.'
South Korea's president pledged to haul Pyongyang before U.N. Security Council.
Clinton said evidence is "overwhelming" that a North Korean submarine sank a South Korean warship.
The president's plan enhances America's moral position and sends the right message to other nations.