The news from Philippe Clement, speaking at his press conference ahead of Rangers’ Scottish Cup semi-final clash with Hearts on Sunday afternoon, was pretty mixed. The good news is that one of Rangers’ most impressive performers over the last few months will be back ‘available’ again, and will have a place in the matchday squad at the very least at Hampden Park. Ok, Mohamed Diomande was not at his industrious best in that 3-3 Old Firm derby thriller with Celtic a fortnight ago. But it may be no coincidence that, in the midfielder’s absence, Rangers dropped four points from very winnable albeit…