Can U.S. and South Korea share a North Korea strategy?

How will the U.S. and South Korea collaboratively deal with the North? More

President Trump met with South Korean President Moon Jae-in Friday, focusing on a coordinated strategy for confronting rising tensions with North Korea. Moon has long advocated for diplomatic engagement and has delayed the full deployment of the U.S. anti-missile defense system. William Brangham talks to former U.S. diplomat Robert Gallucci about what their meeting means.

AIR DATE 6/30/17