Why U.S. tensions with Iran and North Korea are escalating
Clip: 05/06/2019 | 6m 57s | Video has closed captioning.
Somewhat ominous developments have occurred recently around two flashpoints of American foreign policy: Iran and North Korea. On Sunday, National Security Adviser John Bolton announced a carrier strike group was moving into the Persian Gulf because of unspecified threatening action, purportedly from Iran. Meanwhile, North Korea conducted a missile test. William Brangham talks to Nick Schifrin.
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