Lord Mandelson has claimed that Ed Miliband risks accusations of taking the Labour party backwards with his pledge to freeze energy bills.
As a result of the speech, I believe that perceptions of Labour policy are in danger of being taken backwards.
At the business department I tried to move on from the conventional choice in industrial policy between state control and laissez-faire.
The industrial activism I developed showed that intervention in the economy – government doing some of the pump priming of important markets, sectors and technologies – was a sensible approach.
As Ed Miliband clashes with the energy giants on prices, it is worth knowing how your expensive energy bills are actually made up.
A leading competition lawyer says an energy price freeze could leave Labour open to challenges from the courts or the European Commission.
Whether or not you approve of a state intervention into industry, there are at least two big potential obstacles for an energy price freeze.