If US politics was a Western, Mr Obama would be the magical preacher, mystically advocating collective action, Mr Trump would be charismatic snake oil salesman, shouting from the side of the wagon, captivating, infuriating and embodying a certain sort of frustration.
We donβt know whether, when the black hats ride into town, heβll surprise us all with heroic feats, or be discovered cowering under the saloon counter.
What is attention-grabbing is when the horizons have to buckle and broaden and widen in the face of that force of will.
Mr Trump is the embodiment of the sort of America who shocks Europeans: brash and vulgar and unsophisticated.
Many in the US, particularly on the coasts and in the cities, share that horror.

But the truth is this is a deeply divided country.
Mr Trump speaks for those other Americans who felt Mr Obama never did.
When Mr Obama says:,Β externalΒ βThe great American hero β Lincoln β could see the fundamental contradictions of the American experiment clearly,β they canβt.
They didnβt want nuance.
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