North Korea spreading out mobile launchers throughout the country. Whole article below. When can we bomb them?

http://www.nytimes.com/2013/01/18/wo...y-us.html?_r=0


WASHINGTON — The discovery by American intelligence agencies that North Korea is moving mobile missile launchers around the country, some carrying a new generation of powerful rocket, has spurred new assessments of the intentions of the country’s young new leader, Kim Jong-un, who has talked about economic change but appears to be accelerating the country’s ability to attack American allies or forces in Asia, and ultimately to strike across the Pacific....