Tuesday's debate between Kamala Harris and Donald Trump brought fierce exchanges over immigration, abortion and foreign policy, and showed that America's global role matters in this election. Bronwen Maddox is joined by David Weigel from Semafor and Clare Malone from the New Yorker to discuss what we learned and what to watch in the rest of the race. With them is Heather Hurlburt, associate fellow of our US and Americas programme.

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The Harris–Trump debate showed US foreign policy matters in this election

The US election will take place in a polluted information space

US dollar dominance is both a cause and a consequence of US power

Presented by Bronwen Maddox. Produced by John Pollock.

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Audio clip credit: ABC News Presidential Debate: Race for the White House