When It Comes To North Korea, the U.S. Is 'Running Blind'

A man watches a TV screen showing what the North Korean government calls the Hwasong-15 intercontinental ballistic missile, at the Seoul Railway Station in Seoul, South Korea, Thursday, Nov. 30, 2017.
( Ahn Young-joon / Associated Press )
( Ahn Young-joon / Associated Press )
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