Editorial: In an extraordinary intervention, the most successful leader in the party’s history says it is only by embracing the ‘radical centre’ that either the party or the country can hope to hold off the threats coming down the tracks – Labour must focus on the ‘what’ rather than the ‘who’

Intervention by former PM feels almost designed to inflict maximum annoyance on his party

In highly unusual intervention, ex-PM says his party’s ‘almost infinite capacity for self-delusion’ makes it likely to lose next election