Business by Kelmeny Fraser Premium Content Subscriber only Brisbane hospitality king Godfrey Mantle's pub empire is facing a legal challenge by a 21-year-old bartender fighting to kill off a two-decade-old agreement stripping its workers of penalty rates. Industry figures estimate the Fair Work Commission application by Sydney-based bartender Elijah Blatchford, who works for Brisbane-based Pig 'N' Whistle pub chain owner Mantle Group Hospitality, could drive up the wages bill for the group by millions of dollars a year and open the floodgates to similar ch...