Low prices and no frills: can Tesco’s secret plan defeat Lidl and Aldi?

All eyes will be on the launch of discount chain Jack’s for clues as to whether the UK’s biggest grocer can operate as well as its sharp German rivals at the cheapest end of the marketThe Tesco founder, Jack Cohen, was an enterprising market trader who brought modern supermarket retailing to postwar Britain. Nearly a century later, Cohen, nicknamed “Slasher Jack” because he liked to “pile it high and sell it cheap”, is making a high street comeback.On Wednesda