In the backdrop of the controversies about who is to be voted Speaker of the House of Representatives is the awareness that this role is third in line for the presidency. The current president seems barely functional. The number two in line is absent without leave, never qualified in any sense, and is universally regarded as a joke if she is regarded at all, which she mostly is not. That leaves the Speaker of the House, very close to the center of power. For many people in Washington, this is a huge problem. The uniparty decided some years ago never...