China Plays Middleman Between North, South Korea

As South Korean military drills continue with the U.S., North Korea said the drills could lead to a full-scale war. The two countries separated in 1945 and the animus between them has ebbed and flowed since. Barbara Demick, of the Los Angeles Times, has written a book on North Korea called Nothing to Envy. She's now based in Beijing, and talks to Renee Montagne about why China is a key player in the drama.