Supermarket celebrates the lengths people go to and ‘what the heck’ attitude during the season with a campaign centred on the hashtag: #BecauseitsChristmas LEEDS, England, 2015-11-5 — /EPR Retail News/ — On Sunday, Asda will switch on the festive lights with the airing of its #BecauseItsChristmas campaign during X Factor. Taking the lead from its customers…