The major threat of the “blue wave” is that it might sweep over not only purple but even red districts and states, tossing control of the House back to the Democrats and threatening the Senate majority. But what about that “red wave” that the President keeps talking about? Here’s an interesting possibility I didn’t see coming. What if a partial red wave washed up on the shores of Oregon, flipping the governorship there to the Republicans? The current officeholder, Kate Brown, looked like a sure bet, particularly in the era of the Trump Resistance. But if that’s the case, why...