It sort of ambles along with no great imprint until a sharpish left turn as Cohn tries to transform his small-town drama into something far greater.

Trying to get a spark from a damp match is a lot harder than holding a flame to dry kindling.

It's another tour de force performance from Jenkins, in the same week as his headturning performance as the pater familias of a clan of grifters in Kajillionaire.

The highly persuasive performances leave us with much to ponder, not least the suggestion that, for these two, as for America as a whole, mutual understanding will be a challenging process.