THE Margin could not but smile at a radio advertisement heard on Tuesday. Ben Dunne, a voice announced, had just opened a new gym and fitness centre in Dublin. That's all right for Ben Dunne, said another voice. He has lots of money. Oh no, protested the first voice. The new gym is very reasonably priced.

The advertising agency couldn't have meant the advertisement to coincide with Mr Dunne giving evidence to the McCracken tribunal. Or could it...