Debate camp, role play and rival advice: Trump and Harris prepare for showdown

Kamala Harris and Donald Trump will meet face to face on the debate stage next Tuesday. Jonathan Freedland speaks to Paul Begala – who helped Al Gore to prepare for his 2000 debate against George W Bush – about what the 2024 candidates will be doing to prepare. What can they do to increase their chances of coming out on top, and will this debate be as election-defining as the last?