North Korean News: Kim Jong-un's threat to target the US territory of Guam with a nuclear weapon leaves President Donald Trump with two "radical solutions"."Now the ball is in the court of American negotiators, it’s up to them what to do, a pre-emptive strike or a diplomatic negotiation,” leading North Korea expert Dr Leonid Petrov told nine.com.au“It has to be looked at as an invitation to the negotiating table with President Trump, who has been so impatient to resolve the North Korea nuclear missile problem.Now “it’s up to Donald Trump to decide what is best for America – peace with North Korea or terrible war,” he added.Today's report that North Korea has miniaturised nuclear warheads and could attach them to ballistic missiles sparked frantic responses from the international community, most notably from the US president.Trump threated Pyongyang with “fire and fury” over its missile program just days after the UN Security Council levied new sanctions on North Korea over it