BRITAIN'S MCLAREN DRIVER COULTHARD WAITS TO START A PRACTICE SESSION FOR THE BRITISH GRAND PRIX AT SILVERSTONE. Britain's McLaren driver David Coulthard waits to start a practice session for the British Grand Prix at the Silverstone race track in Northamptonshire, central England, July 10, 2004. The British Grand Prix takes place at Silverstone on July 11. REUTERS/Darren Staples