Shadow ministers have been encouraged to look for "points of agreement" with the party and to consider constitutional reforms that would appeal.
If they want to avoid another hung parliament, both sides need to take more risks. This isn't a time for small-ball politics.
Should the Labour leader be booed and heckled, as on previous occasions, it will undermine the Tories' claim that he is the plaything of the union leaders.
Just as only Nixon could go to China, so only a leftist can sell Labour's new position on welfare to a sceptical PLP.
A promise to cancel the project, which could cost up to £80bn, and invest the savings in more electorally popular policies is just the kind of gamechanger that Miliband needs for the conference season.
The pressure is now on Miliband to deliver policies that, as Andy Burnham put it, "knock the others off the pitch".
History shows that parties can win despite the unpopularity of their leaders, but to do so Labour needs to offer policy substance.
The former election co-ordinator's call for an early EU referendum highlights the danger of Labour replicating Tory divisions over Europe.
Policies likely to be announced before the election include building a million affordable homes, scrapping the bedroom tax and creating living wage zones.
The assailant, Dean Porter, says that "Labour no longer stands up for the poor" and that it would "all have been different if it had been David not Ed".