The year of 2019 was one when many of the six impossible things before breakfast remain unresolved—with the shining exception of Brexit, and the wider resolution of domestic politics. We can still feel the political earthquake which struck the UK last month—we cannot yet see the effect of it. Most political earthquakes, when they happen, are scarcely discerned, and even those which are perceived for what they are, do not easily reveal the new pathways created from the changed landscape.