The purpose of the CBP One app is to provide a patina of legality to the mass entry into the United States of otherwise inadmissible aliens, and judging by last week’s VP debate, it’s working. The Margaret Brennan moment of that night should live in debate infamy. As we all know, clearly displeased with J. D. Vance’s answer about Springfield, Ohio, the CBS News host “fact-checked” him by saying that Haitian migrants in the town are legal. When Vance began to point out how that doesn’...