A few moments ago I noticed a new PPP poll showing that Mitch McConnell seems to have been damaged significantly in his home state of Kentucky by the effort to repeal Obamacare. The number that caught my eye was that McConnell has an astonishing 74% disapproval rating with just 18% approving of his performance in office. A hypothetical Democrat beats him by 7 percentage points. But that only tells part of the story. McConnell is down at 18% approval. But Trump has a 60% approval rating in the state. If voters are upset with McConnell’s dogged efforts to repeal Obamacare,...