On Tuesday, President Biden issued a proclamation that gives the Department of Homeland Security the authority to temporarily block migrants from seeking asylum between ports of entry at the United States-Mexico border. This means that the only people who are able to apply for asylum at the border are those who can secure an appointment through the government’s CBP One app, in flagrant violation of immigration law. The president’s decree echoes a 2018 Trump-era policy that invoked the same...