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Ex-Tesco boss on changing supermarkets and High Streets

13 January 2014 Last updated at 15:27 GMT

Supermarkets have got to adapt, said a Conservative peer, who is a former Tesco executive director.

Baroness Neville-Rolfe looked at the role of the giant shops, and the role of the High Street, after watching a Daily Politics film on the changing face of UK supermarkets

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