A copy of a draft order reported by The Washington Post earlier this month and being circulated among cabinet members seeks to address what the order describes as a massive burden on the American taxpayer. The order calls for immigrants “likely to need certain types of public aid” to be identified prior to entry, and for immigrants already using those services to be deported. The draft order also requires strict financial responsibility for relatives who promised to support immigrants who are instead now relying on social aid. The potential savings estimated by the order are as high as “$100 billion,”...