As levels of loneliness in the UK continue to rise in the run up to Christmas, supermarket giant Asda has come up with a new campaign to get shoppers and its staff talking.From today, shoppers may spot delivery drivers wearing badges which say 'Happy to Chat' - and can enjoy a good old chinwag with any employees wearing them.The badges have been launched as part of Asda's new 'Delivering Christmas Kindness' campaign, which seeks to tackle loneliness in UK communities as we head towards the