Image source, Getty ImagesImage caption, Charles Leclerc trails Ferrari team-mate Lewis Hamilton by 14 points in the drivers' championship. F1 CorrespondentPublished1 hour agoThe drivers' title is sewn up, and the constructors' may well be on Sunday, but Formula 1 marches restlessly, relentlessly on. This weekend's Sao Paulo Grand Prix is in many ways the first page of the first chapter of the next championship battle.