On Monday, New York Congresswoman Alexandria Ocasio-Cortez referred to US border detention facilities as “concentration camps,” spurring a backlash in which critics accused her of demeaning the memory of those who died in the Holocaust. Debates raged over a label for what is happening along the southern border and grew louder as the week rolled on. But even this back-and-forth over naming the camps has been a recurrent feature in the mass detention of civilians ever since its inception, a his...