Matt Chorley takes you behind-the-scenes with three people who know what it is really like trying to win the nation's vote.Polly Mackenzie was a policy adviser to Nick Clegg, and now runs the Demos think tank. She explains how a manifesto is written, and the pitfalls of party democracy.James Johnson was Theresa May’s Downing Street pollster and now runs JL Partners. He will explain what campaign bosses look out for in the polls, and how messages are tested before voters ever see them.And Theo Bertram, a former adviser to Tony Blair and Gordon Brown, discusses how things go wrong, from Bigotgate to a blue lizard riding a bicycle. Hosted on Acast. See acast.com/privacy for more information.