The sense of disarray swirling around The Co-operative Group intensified today (11 March) with the resignation of CEO Euan Sutherland, who took a swipe at the way the UK retailer was being run. Sutherland's exit will add to the sorry headlines made by The Co-op in recent months but, more importantly, they will distract the company away from the work it needs to do to turn around parts of its business, including food retail.