Forget a gimmicky windfall tax. Energy companies should be forced to slash bills instead | Simon Jenkins

When all politicians agree on something, it is probably a bad idea. A windfall tax on energy companies is currently in populist vogue and is superficially plausible. Thanks partly to

against Russia, British energy users have seen their bills rocket by 70% in the past year, with further hikes promised in October when the official price cap on a bill is forecast to rise to £2,600 a year – or even higher. This is…