As the head of refereeing steps down at Hampden, Rangers must lead the charge for change as Scottish football lags behind its natural competitors. Crawford Allen has this week announced his plans to leave out the front door of Hampden at the end of a season of controversy naturally made worse by our position in the title fight. The Head of Refereeing Operations in Scottish football, this is a big move and Rangers & the other SPFL clubs will be watching very closely to see how the chips land. We’re well used to parochial politicking – even from the Rangers end – dominating our national game but…