US considers shooting down NK missiles that don't pose a direct threat

As tensions continue to ratchet up with North Korea, CNN has learned that the US is considering shooting down a North Korean ballistic missile even if it does not directly threaten the US or its allies.
Read more: http://edition.cnn.com/2017/09/19/politics/us-north-korea-missile-mattis-options/index.html?source=Snapzu