Fortunately, Rangers have a manager in Philippe Clement bullish enough in his beliefs not to be swayed by criticism from outside Ibrox and on the scorched lands of social media. By his own admission, had Clement made his decisions based on the whims of the more toxic sections of the Rangers fanbase, that nightmare night in the Europa League may have brought an early end to Vaclav Cerny’s time on the blue side of Glasgow. Three days after he missed a sitter against Malmo, Cerny hit back after being subjected to a few jeers from the home ‘support’ during the 1-0 win over Hibernian in late Septem…