"As far as targets go, it doesn't get much more populist than the big-six energy companies. The cliche of profit-chasing rip-off merchants may well be unfair - UK energy prices are among the lowest in Europe - but the sector has so far failed to convince the public with its side of the story.
Step in Labour's embattled leader with a proposal that plays into a wider narrative about creating an economy that works for 'ordinary people once again'. The move resonates with a public that seems as wary of unregulated free markets as it is of socialism. There could well be votes to be won for Labour in this ambiguous space with such a clearly defined strategy.
Of course, the key in politics is to pick battles you have a chance of winning, and the practicalities of state intervention remain to be seen.
But suggestions that David Cameron rushed out the implementation of his Help to Buy scheme in a bid to snatch back the populist momentum is a nod to Miliband finally grasping an issue that resonates beyond Whitehall."
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