It was supposed to be the ultimate Formula 1 partnership, the sport's most successful driver ever joining its most iconic team. But after another chastening experience at a Grand Prix on Sunday, this time in Sao Paulo, Lewis Hamilton admitted: "This is a nightmare and I've been living it for a while." While Ferrari have won more titles than any other team in F1 history, none of them have come recently. Their last success was in 2008 when they won the constructors' championship. Hamilton was 23,