Jackson Rapidly Emerges as Active Force on Split High Court (1)

It didn’t take long for Justice Ketanji Brown Jackson to find her voice on the US Supreme Court.

Four arguments into her new job, the court’s first Black female justice has emerged as an active, forceful questioner, willing to directly lay out her views and even take on her more conservative colleagues. She spoke more than any other justice in her first two days on the bench.

In a Clean Water Act case on Monday, she challenged a conservative colleague’s suggestion that federal regulation might put landowners at risk of criminal penalties without fair warning. The following day in a ...