Rangers’ summer rebuild could probably have done with going on another couple of weeks. The Ibrox squad has been revamped under the stewardship of Philippe Clement, Nils Koppen and John Bennett this summer but there remains big questions around the work that’s been done. And the work that hasn’t. Several of the club’s most experienced players have moved on, whilst those youthful figures who’ve come in haven’t done enough to convince Rangers supporters of their credentials to date. The pressure is rising, the scrutiny too, and Rangers manager Clement will soon feel the wrath if he cannot salvag…