Anyone who watched more than a few minutes of Wednesday’s painful hearings with former Special Counsel Robert Mueller discovered a sad truth the Democrats and many in the media continue to hide: Mueller neither wrote his report nor did he master the content of it. Repeatedly during the day, the former FBI director stumbled over what we had been told were his findings. He slowly leafed through a binder, searching for passages that lawmakers were quoting to him, only to say “okay” or “true” when he finally found them. In the morning’s hearing at the House Judiciary committee, Rep. Doug...