Some of the most important political issues have been absent from this discussion. The environment, filthy air, polluted seas, climate change.

Trump's attitude to environmental protection was one of the worst things noticed about his initial behaviour, which seemed to about freeing up capitalist industries to make a mess of our planet.

The life of our grandchildren should not be prejudiced because it falls a casualty to a 'right left' battle, but I am not yet convinced that reclaiming the centre ground is the solution to these problems.