Westerners, like the Jesuits, were welcome to come. But they had to stay and adapt themselves to Confucian ethics: they could not expect to come and go as they pleased.

I soon learned that thought was not free in North Korea. A free thought could get you killed if it slipped out. If you were lucky, you might get sent to some remote mountainous region to do hard labor. Or you might get sent to a concentration camp for political prisoners because you were deemed a “liberal” or a “capitalist” with “bad habits.” And b