What the hell is your problem? it may be a harsh law, it may even be disproportionate to the crime (by our standards anyway) but it's not like it was sprung on him. I mean, perhaps there'd be a case if the iranian government decided at 9AM that drinking was a naughty and hauled him out of one of the many pubs scattered around the city but no, it would seem that he chose to ignore the "drink and we kill you" rule that had existed for many years.
Ah well.. the contradictions of being left wing authoritarian
Oh, it seems that the Director for public prosecution has received many, many complainst and accusations of treason against Bertie Ahern.