On Monday 20th March an area of the flagship store on the Hayes in Cardiff was transformed into the World’s Smallest Comedy Club*. The pop-up may have been small in size but it delivered big laughs, with Bristol comedian Mark Olver taking to the stage to give shoppers a bite-sized burst of comedy to liven up their lunchbreak. Mark Olver is a seasoned stand-up and television warm-up artist who has worked on comedy favourites such as 8 Out Of 10…