Cheshunt, England, 2015-2-18 — /EPR Retail News/ — Following Richard Broadbent’s decision to step down as Chairman, Tesco today announces that John Allan will join the Board and be appointed Chairman on 1 March 2015. Richard Broadbent will step down from the Board on the same date. Richard Broadbent, Chairman, said: “I am delighted that John has agreed…