LONDON, ENGLAND - JUNE 28: F1 drivers Jenson Button (L) and Lewis Hamilton attend the launch of the London Grand Prix by Santander at the Royal Automobile Club on June 28, 2012 in London, England. (Photo by Mark Thompson/Getty Images)
LONDON, ENGLAND - JUNE 28: F1 drivers Jenson Button (L) and Lewis Hamilton attend the launch of the London Grand Prix by Santander at the Royal Automobile Club on June 28, 2012 in London, England. (Photo by Mark Thompson/Getty Images)
