Trump and Biden offer starkly different visions of US role in world

Foreign policy barely gets a mention in this US election, but for the rest of the world the outcome on 3 November will arguably be the most consequential in history. All US elections have a global impact, but this time there are two issues of existential importance to the planet – the climate crisis and nuclear proliferation – on which the two presidential candidates could hardly be further apart. Also at stake is the idea of “the west” as a…