Sen. Ron Johnson (R-WI), chair of the Senate Homeland Security and Governmental Affairs Committee, wants to issue subpoenas to former FBI Director James Comey and ex-CIA chief John Brennan. It’s part of his investigation into the Russian collusion circus that engulfed the nation for over two years and made Democrats—and their allies in the media—become totally unspooled. Specifically, he’s zeroing in on the FBI’s surveillance operation against the Trump campaign in 2016, which was really a spy operation. Informants tried to glean information from Trump campaign officials under false pretenses and then relayed whatever they found to their superiors. That...