Political leaders: Churchill, Thatcher and Blair

Margaret Thatcher beat Winston Churchill into second place in a YouGov poll where voters were asked to pick the best post-war prime minister.

Adam Fleming finds out how to make a good leader, as Sir Menzies Campbell recalled how he was advised to lead the Liberal Democrats, and Zoe Gruhn of the Institute for Government talks of coaching cabinet members.

Margaret Beckett on time as Labour's acting leader

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