The huge stakes in a new Supreme Court case about pornography

Former Attorney General John Ashcroft, whose name is on a seminal First Amendment decision that a far right appeals court decided it could openly defy. | Tim Sloan/AFP via Getty Images

If you’ve studied First Amendment law, it’s impossible not to experience déjà vu while reading the briefs in Free Speech Coalition v. Paxton, a Supreme Court case the justices will hear on January 15 about online pornography. 

That’s because the Texas law at the heart of Free Speech Coalition is in all...