The shadow London minister warns that the party "will not forgive" those focused on the contest to come.
Labour should not ignore the electoral gains that a higher ethnic minority turnout could bring.
Osborne's claim of a "blackhole" in Miliband's plans is forcing his party to shout louder about its commitment to continued austerity.
George Osborne and his ministers once mocked the opposition for the goal they now boast of achieving.
The shadow chancellor remembers that it was fear of "Tory cuts" that handed Labour victory in 2001 and 2005, and denied the Conservatives a majority in 2010.
Shadow chancellor set to act before March 2016.
The bottom 10 per cent of households pay 47 per cent of their income in tax. But they would gain nothing from the parties' plans.
Having addressed the deficit and immigration, the party plans to focus on its greatest strength.
A new poll shows a third of current Green supporters plan to vote for Miliband's party at the general election.
The red-blue duopoly that had held for decades fractured as insurgent tribes invaded the pitch.