Color us surprised. The nightly news obsession over nonexistent Trump-Russia collusion isn't abating. It's actually growing! They cannot be shamed. They cannot be shaken by inconvenient facts. It's been established there was no collusion, no obstruction, no high crime that's impeachable, and so what? The media are hammering this collusion theme more than ever. In the months we were writing our new book, "Unmasked: Big Media's War Against Trump," the most troublesome chapter dealt with Russia. As we went to press, the Mueller report had not yet been released. What dramatic ending would it bring? Truth be told, we expected...