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PBS News Hour
How does a Trump-Tillerson policy rift affect diplomacy?
At the UN on Friday, Secretary of State Rex Tillerson backed off comments he made this week about open talks with North Korea -- a marked shift in tone after months of tough statements from President Trump and others. William Brangham talks to former State Department official Frank Jannuzi and Christopher Hill, former U.S. chief negotiator with North Korea, about the state of diplomatic efforts.
