Why does Labour need to publish yet another report on why it lost?

It must come as a relief to many Labour MPs worried about their party’s electoral chances that the official report into why Labour lost in May will finally be published. But will it really make much of a difference? The BBC reports that the document, compiled by Margaret Beckett, will identify four key reasons for the party losing in May 2015, which are that it failed to shake off the myth that Labour was responsible for the financial crash and failed to build trust on economic issues, it didn’t connect with voters on key issues such as benefits and immigration,...