If there’s a significant furore around refereeing and the Scottish FA in the wake of the upcoming Celtic and Rangers derby, then the Hampden association only have themselves to blame. They’ve made a rod for their own backs by putting one of the most scrutinised officials in the spotlight for the title race clash, in what has been described as a “powerplay” after recent Celtic criticisms. John Beaton is the man in the middle for the Ibrox match on Sunday, appointed just weeks after he was called out by manager Brendan Rodgers for a terrible utilisation of VAR technology against Hearts at Tyneca…