Coinciding with the start of the 2015 Rugby World Cup, M Restaurants will be creating their very own tournament; THE M WORLD CUP OF STEAK. M has launched a competition to find the world’s best beef where countries will battle it out for the top spot and try to impress a plethora of skilled judges including famed food writer, presenter and critic Joe Warwick, Food writer and critic Charles Campion, M Executive Chef Michael Reid and Head Chef of The Shed & Rabbit restaurants and top butcher Oliver Gladwin…