After the party's surprising revival, the mood among its ranks is transformed.
Can the Tooting MP complete the journey from council home to City Hall?
No leader has ever won office with a larger mandate, nor with so little support from their MPs.
This week's Politics Column from the New Statesman's political editor.
The shadow health secretary tells the NS that the contest is "wide open" and rules out a third bid.
Cooper's team criticised by all campaigns after claiming new data shows her ahead of Burnham.
Labour leadership candidate would not back moves to depose sitting MPs from the right.
MPs are desperate for someone to deliver a knockout blow. But not even Gordon Brown may halt the momentum.
The huge surge in trade union members registering will aid the left-winger's campaign.
The left-winger's surge might be a reality check for Labour. But it could galvanise even more into supporting him.
The shadow business secretary on why Labour members must not vote for Jeremy Corbyn, why he withdrew from the race, and why the benefit cap is "right".