Schumacher warms up for F1 return
 Schumacher is working hard to hone his skills before Valencia
Michael Schumacher has continued his preparations for a return to Formula 1 with a second day of kart racing. The German, who plans to deputise for the injured Felipe Massa in Valencia on 23 August, had suffered some neck discomfort while testing an F1 car. But the seven-time world champion told his website that the karting in Northern Italy had caused no problems. |