Memories can fade over three decades - but Rubens Barrichello never recalled the crash that killed his great friend and mentor Ayrton Senna to begin with. Triple Formula 1 champion Senna died 30 years ago today in a smash while racing in the 1994 San Marino Grand Prix at Imola, Italy. Two days before, Barrichello had barely survived his own crash - the first of three huge accidents on the darkest race weekend in the sport's history. He was dead for several minutes but medics managed to revive