If the definition of insanity is doing the same thing over and over again and expecting different results, Rangers lost it a long time ago. The Gers have been repeating the same process for the last few years and expecting something magical to happen in the meanwhile. From extensive squad ‘rebuilds’ to manager sackings and playing the same old faces, Rangers fans are well used to footballing deja vu within the walls of Ibrox. But this year, this year we’re promised it’s going to be different. Only despite releasing Kemar Roofe, Rangers appear to have a readymade and suitably expensive replacem…