The burden of higher taxation must fall on those with ‘the broadest shoulders’, says the Prime Minister, and City folks assume that means yet more raids on banks. Soft targets because no one loves them, they have also profited from higher interest rates. But they’re already subject to a surcharge on corporation tax and an extra levy on the size of their balance sheets – one effect of which has been to shrink their appetite for the corporate lending which is essential for Labour’s growth ambitions.