The US does not care about North Korea having a nuclear weapon. They do not have the system to strike the US. The man number 1 reason US will not attack Korea is China. We fought China there before and it was not pretty. The second reason is North Korea has proven technology that will destroy soul in minutes. Weaker countries do not care about killing soldiers they want to kill civilians.
Manhunt in Memphis, Tennessee continues after officer, 33, fatally shot (AP)
from the article: 'Mossad, CIA agree Iran has yet to decide to build nuclear weapon'