It was an almost unbelievable story—fit for a spy novel, and among the most disturbing and consequential allegations of governmental abuse in recent history. The alleged abuse went right to the heart of our ability to participate in free and fair elections. But much of the U.S. media seems ready to forget about it.

On December 9 Justice Department Inspector General Michael Horowitz reported that a critical piece of evidence used to obtain a warrant to spy on a Trump campaign associate in 2016 was falsified by an FBI lawyer....