Charles Armstrong

South Koreans come together to push forward the impeachment process of South Korean President Park Geun-hye.

North Korean leader Kim Jong-un’s escalating threats against the US earned him a prominent spot in this week’s news cycle. Charles Armstrong, Director of Columbia University’s Center for Korean Research, tells Brooke that North Korean threats are not only cyclical - they’re seasonal.

Charles Armstrong, director of the center for Korean Research at Columbia's School of International and Public Affairs (SIPA), discusses Kim Jong Un's threats to South Korea and U.S. and whether it's just bluster or poses a real threat to the region and the United States.

Reacting to the prospect of more UN sanctions, North Korea is, for the first time, threatening a pre-emptive nuclear strike against the United States and South Korea -- an attack th...

Following the death of dictator Kim Jong-il, Charles Armstrong, director of the center for Korean Research at Columbia's School of International and Public Affairs (SIPA), discusses what's next for North Korea and the region.

North Korea's artillery attack on a South Korean island yesterday morning remains somewhat of a mystery, but many have guesses as to rationales for the attack. North Korea says the South started it by firing recklessly into North Korean territory, which the South denies. Some say North Korea did it to gain international attention because of their severe food shortages. And others, like Charles Armstrong, director of the Center for Korean Research at Columbia University, believe they want to send a simple message: that they should be taken very seriously.

Charles Armstrong, director of the Center for Korean Research at Columbia's School of International and Public Affairs discusses the current flare in tensions on the Korean Peninsula. The countries exchanged artillery fire today, with two South Korean soldiers killed. This followed North Korea's unveiling of a new uranium enrichment facility on Saturday. 

North Korea has threatened to wage a "full-scale war" against South Korea after the country accused its northern neighbor of sinking a warship on March 26. The South Korean government says it has forensic evidence that North Korea sank one of its warships, killing 46 sailors, but North Korea denies the charges and says the formal accusations could escalate tensions. The country has also threatened to engage in military action if South Korea implements punishments.

Bill Clinton’s brief trip to Pyongyang secured the freedom of two American journalists, Laura Ling and Euna Lee, who were imprisoned in North Korea. But what does the visit between C...

Korean American listeners and Charles Armstrong, associate professor of history and director of the Center for Korean Research at Columbia's School of International and Public Affairs (SIPA), weigh in on the Philharmonic's trip to North Korea. John Schaefer, host of WNYC's Soundcheck, calls in from Pyongyang, the North Korean capital, ...