Justice Alito's warning about nationwide injunction 'loophole' looms over Trump cases

Justice Samuel Alito raised concerns about a "potentially significant loophole" in the Supreme Court's decision to curb universal injunctions, and now his warning is hanging over lawsuits involving President Donald Trump.

Alito said in his concurring opinion in Trump v. CASA that class action lawsuits and lawsuits brought by states leave room for judges to hand down injunctions that, in practice, would function the same way a universal injunction does.

"Federal courts should thus be...