In case you missed this, from Patrick Wintour:
The undoing of Ed Miliband – and how Labour lost the election
It was Labour’s most stunning defeat since 1983. This exclusive account, based on unique access to the party leader’s closest aides, tells the inside story of what went wrong
On 23 September 2014, Ed Miliband prepared to take the stage at the Labour party conference in Manchester to deliver the most important speech of his career. But instead of rehearsing the speech he had memorised, he was being forced to concentrate on a new opening section, endorsing the proposal David Cameron had made that morning to join the US bombing of Isis in Iraq.