For the first time this season, Rangers have the opportunity to usurp Celtic at the summit of the Scottish Premiership tonight. And there is absolutely no better opposition to face than Ross County for a couple of reasons. The club sacked Derek Adams on Saturday after a bizarre reign that saw him slaughter Scottish football and his own players in front of the cameras and questioning his decision to return as boss in the first place. And with the inexperienced Don Cowie placed in interim charge, second-bottom County are in disarray so Rangers can deal them some damage and rise to the top of the…