South Korean intelligence officials recently said North Korea tried to steal vaccine information from drugmaker Pfizer. But North Korean leader Kim Jong Un has said the country is virus-free.

It's always hard to know what is going on inside isolated North Korea, but Kim admitted the country's economy is in bad shape in a speech last month.

Here & Now's Peter O'Dowd speaks with Victor Cha, senior vice president and Korea chair at the Center for Strategic and International Studies, and a professor at Georgetown University.