Complex sentence: Although treason trials in the Tudor period had more to do with political theatre than the administration of justice, the matter was not a foregone conclusion; there was a serious question over whether O'Rourke could be tried in England for treason committed in Ireland.
Split into simpler sentences: Although treason trials in the Tudor period had more to do with political theatre than the administration of justice, the matter was not a foregone conclusion. It was a serious question whether O'Rourke could be tried in England for treason committed in Ireland.