What next for Tesco after its changing of the guard?

Six years ago, Tesco’s boss Dave Lewis had to call Marc Bolland, then chief executive of Marks & Spencer, to ask for Alan Stewart to be released early from gardening leave. Bolland agreed and Stewart joined as finance chief a day after the supermarket chain had to admit it inflated its profits by £250m – its darkest hour. Stewart is now off, only seven months after Lewis said he was stepping down. In tandem, the two effectively revived Tesco. They offloaded parts of the bus