To ram the message home there were masks with likenesses of the bosses of Britain’s big four banks, inflatable champagne bottles, swag bags. It was all very Occupy Wall Street — just with a handful of people instead of the many thousands that joined marches in the angry wake of the 2008 global financial crisis. But make no mistake: there is a swell of support for cracking down on banks — including from within the left-leaning ranks of Reeves’ own governing party.