The chancellor will upset millions of savers if she halves the annual tax-free allowance in her Budget – but she’s right that it’s time we put our spare cash into financial products with a decent return, says James Moore W ith a month to go before the Budget , the scuttlebutt is in full swing. Among the wild rumours about what measures Rachel Reeves might announce to turn around the stagnant economy, and amid all the talk of wealth taxes , spending cuts and pension raids – she has let slip only