Having previously enjoyed a double-digit advantage over the Tories, the party's lead has been reduced to single figures, far below the level needed to be confident of victory.
A survey by Lord Ashcroft shows 12% of the trade union's 1.42 million members would affiliate themselves to Labour under the new system but also that they oppose large donations to the party.
In an echo of Blair's revision of Clause IV, the Labour leader announces that a Special Conference will be held next spring to approve this "historic reform of Labour’s constitution".
The government's approach has utterly failed. We need a revolution in the way businesses, ministers and schools work together to get young people into work.
It is no longer unthinkable that one or both of Labour and the Lib Dems could go into the next election pledging to scrap the project.
With Labour more reliant on large one-off donations from unions, the Unite general secretary is in a stronger position to push for policy changes.
Personal ratings are often a better predictor of the election result than voting intentions.
Refounding Labour was the biggest shake up of the rulebook since the party was formed.
By denouncing the government for still allowing some families to "live a life on welfare", the party has begun an arms race it can only lose.
The New Statesman contributor is chosen to contest the marginal seat currently held by John Denham.