North Korea ends test moratoriums, threatens 'new' weapon

North Korean leader Kim Jong Un has declared an end to moratoriums on nuclear and intercontinental ballistic missile tests and threatened a demonstration of a "new strategic weapon" soon.Analysts said the announcement, reported by state media on Wednesday, amounted to Kim putting a missile "to Donald Trump's head" -- but warned that escalation by Pyongyang would probably backfire.Washington was swift to respond, with Secretary of State Mike Pompeo urging Kim to "take a different course" and stre