The fortunes of Denis O'Brien took up much space in last weekend's newspapers, with some profiles describing how he likes to take wintry jogs around the lakes in Luggala, Co Wicklow, and wade across the freezing rivers that get in his way. On Sunday the Margin, as it sometimes does, drove up to Luggala to go for a walk down towards the lakes but found it much more difficult than usual to find a parking place - a mere co-incidence, no doubt.