Isn’t Pyongyang always in “lockdown”?Ah well. At times like these, when it feels like the world is coming apart at the seams, I take comfort in our president’s track record of foreign policy excellence. [W]hile the North Korean authorities have in the past limited access to the capital, the latest restrictions even apply to permanent residents of Pyongyang, who are by definition the elite of the regime.“This sort of action suggests there has either been an attempted coup or that the authorities there have uncovered some sort of plot against the leadership,” Toshimitsu Shigemura, a professor at Tokyo’s Waseda University...