US Def Sec Mattis on North Korea - threatens massive response

US Secretary of Defense James Mattis on the North Korea nuclear test over the weekend (): North Korea says it has successfully tested a hydrogen bomb - "Any threat to the United States or its territories - including Guam - or our allies will be met with a massive military response, a response both effective and overwhelming." Mattis
US Def Sec Mattis on North Korea - threatens massive response