The BBC has overseen its fair share of catastrophic relaunches through the years - from Top Gear to The Generation Game - but A Question of Sport could well crown the list. Once the globe's longest-running television sports quiz, it stood as a cherished national institution. Throughout its extraordinary 55-year run, the programme boasted a parade of sporting legends-turned beloved national treasures as presenters and team captains, including Sue Barker , David Coleman , Ian Botham , and Ally