This escalation of what had become an uncommon practice — the United States denaturalized an average of 11 citizens per year from 1990 to 2017 — would do more than reaffirm the hypocrisy of a president and a party that long claimed to support lawful immigration. It reveals a willful misunderstanding of what it means to become an American citizen, of all that propels people to leave the place where they were born and to embrace a new one, this one, as their own. And it reiterates the administration’s zeal to redraw the limits of belonging in this country.