<p>At the start of the twenty-first century, John Arne Riise was regarded as one of the most buccaneering left-sided players in European football. During an illustrious career where he won a Champions League title with Liverpool, he became the finest player Norway has produced in a generation.<br><br>Yet beneath the veneer of the famous and successful footballer, his ascent masked the huge challenges he had had to overcome on the way to the top: ...