That is happening in Denmark, currently governed by a conservative, immigration-skeptic coalition. With an election around the corner, the front-runners are the Social Democrats, who are stealing the right’s thunder on Islamic immigration: Donald Trump couldn’t have said it better. But the Social Democrats go much farther than Trump’s administration in drawing a line against mass immigration: Under her leadership, the SD have called for a cap on “non-western immigrants”, for asylum seekers to be expelled to a reception centre in North Africa, and for all immigrants to be forced to work 37 hours a week in exchange for benefits....