After North Korea launched four ballistic missiles into the sea earlier this week, the U.S. announced the deployment of a missile defense system in South Korea. Worried that this aggression could start an "arms race," Chinese officials attempted to mitigate the situation, proposing that North Korea halt its nuclear weapons program in exchange for the U.S. and South Korea suspending their joint military exercises in the region -- a proposal both the U.S. and South Korea reject. We get the latest on the situation in the Korean Penninsula and discuss escalating U.S.-North Korea relations.
Tension Builds Between U.S. and North Korea, China Attempts to Mitigate
This undated picture released by North Korea's Korean Central News Agency (KCNA) via KNS on March 7, 2017 shows the launch of four ballistic missiles by the Korean People's Army (KPA) during a military drill at an undisclosed location in North Korea. (Photo: STR/AFP/Getty Images)
Philip Yun, executive director and chief operating officer, Ploughshares Fund
Jonathan Marcus, diplomatic and defense correspondent, BBC News