Seven-times Formula One champion Lewis Hamilton says the sport must look more to current and future generations rather than harking back to personalities from the past. His comments before this weekend’s British Grand Prix follow controversies over former champion Nelson Piquet reportedly using a racial slur towards Hamilton and former F1 supremo Bernie Ecclestone saying Russian Vladimir Putin was “a first-class person.” “I don’t know why we are giving the older voices a platform,” Hamilton told a news conference on Thursday. “We are looking to go somewhere different and they are not represent…