SEOUL (Reuters) – North Korean leader Kim Jong Un has observed the test firing of a new type of tactical guided weapon aimed at boosting the country’s nuclear capabilities, the North’s KCNA state news agency reported on Sunday. “The new-type tactical guided weapon system … is of great significance in drastically improving the firepower of the frontline long-range artillery units and enhancing the efficiency in the operation of tactical nukes of the DPRK,” KCNA said. DPRK stands for the North’s official name, the Democratic People’s Republic of Korea. KCNA did not say when the test took place…