This week in 2010 saw the UK's first ever TV debate between the party leaders.

Campaign insiders Peter Mandelson, Polly Mackenzie and Daniel Finkelstein join Matt Chorley to remember the advice they gave at the time. Why did Tony Blair warn Peter not to talk up Nick Clegg's performance, why did David Cameron tell Danny he'd been nervous for the first time in his political life, and would they advise Rishi Sunak and Keir Starmer to take part this time around?

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We'll be recording a special episode of the podcast in front of a live audience after the local elections - find the details here.

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