In this week’s Sport: Bernie Ecclestone: what does the future hold for F1 and its great ruler? | Formula 1 2015: David Coulthard’s team by team guide to this season | England fly half George Ford looks ahead to Saturday’s Six Nations battle with the Auld enemy | The runners and riders in – and our prediction for – the Cheltenham Gold Cup | Jenny Tinmouth, British Superbikes’ only female rider, on battling for a life in the fast lane | Plus: Alan Shearer talks stupid questions and not autographing breasts
