How can Trump Republicans—like Jeff Sessions and Sarah Huckabee Sanders, to cite but two notable examples—justify the cruel and psychologically abusive separation of children from their parents at the US border, simply because those parents crossed into our country seeking asylum as undocumented (“illegal”) immigrants? It’s not principally a matter of their values. The content of morality is very important, of course. But of at least equal importance is an appreciation of to whom and for...