Shades of King Lear, but with sons not daughters, is how the bitter business dispute between the O’Callaghan family of hoteliers was framed recently in court. But the details of the acrimonious fallout between the veteran hospitality boss Noel O’Callaghan and his scion sons, Paul and Charles, and their €400 million business empire are unlikely to get another public airing. High Court Justice Rory Mulcahy has found the issues in dispute, bar a row over a penthouse apartment, are subject to an arbitration agreement, meaning they will have to be thrashed out behind closed doors. In a 26-page judgment issued…