After a year of bad news, nostalgic chocolate fans have something to celebrate – as the classic Marathon bar returns to supermarket shelves. Marathon is the original name for a Snickers bar, made up of nougat, peanuts, caramel and chocolate. The name was changed in the UK 30 years ago. From 10 August, Mars Wrigley has reintroduced the classic chocolate bar under its original name, at Morrison’s...