The Campaign against Clarence Thomas Misfires Yet Again

The continuing effort to discredit the Supreme Court justice is growing ever more desperate.

There is an old lawyer’s joke: “If the facts are against you, argue the law. If the law is against you, argue the facts. If the law and the facts are against you, pound the table and yell like hell.”

It looks like ProPublica, a self-styled “independent, nonprofit newsroom that produces investigative journalism with moral force,” has now descended to the anonymous humor of the bar. Its writers have waged a yearlong campaign against Justice Clarence Thomas,...