Mitch McConnell delivered a speech today at the American Enterprise Institute to officially signal that the IRS scandal has entered its post-fact phase. When the IRS first revealed that its Cincinnati office had attempted to enforce its nonprofit laws using a search function that disproportionately impacted conservatives, Republicans were certain it must have come from the White House. They were going to follow the facts. But all of the facts point in the same direction, which is that the Obama administration had nothing to do with it at all. That was the conclusion of the agency’s inspector-general report, as well...