Radio review

Public perceptions of supermarket giants tend to vary. If you’re pressed for time or you want to save a few quid, you head for Aldi or Lidl.

If your schedule is slightly calmer, or your budget a little more generous, you go to Superquinn. If you don’t mind handing over €9.50 for a portion of (admittedly tasty) Lochmuir salmon, you visit Marks & Spencer.

And Tesco? Many people shop there purely because they ...