A diverse federal judiciary helps instill public confidence in the rule of law, Supreme Court Justice Ketanji Brown Jackson said, as federal courts face an historic test of their authority and as a new presidential administration rolls back diversity efforts in government.

Supreme Court Justice Ketanji Brown Jackson told her fellow justices that they should not rely on Congress to fix their mistakes.

A majority of Supreme Court justices did not attend Donald Trump’s joint speech to Congress Tuesday night, among them two of the court’s three liberals: Sonia Sotomayor and Ketanji Brown Jackson. Also absent were Justices Samuel Alito,

The case focuses on the Nuclear Regulatory Commission’s approval of a project to store spent nuclear fuel at a remote site in southwestern Texas.

Earlier, the chief justice temporarily let the Trump administration avoid paying out congressionally appropriated funds for now.