Nuclear blast of reality

The Obama administration has just got a multi-kiloton blast of reality from North Korea's second test of a nuclear weapon, writes Henry Sokolski of the Ploughshares-funded Nonproliferation Policy Education Center. "The president responded immediately, declaring the U.S. would 'stand up to this behavior' and would 'redouble' its efforts to create a 'more robust international nonproliferation regime.' The question now is how."