Mike Rutherford takes a Aston Martin DB7 for a spin at the famous Goodwood track, and speaks to Harry Calton, from Aston Martin Lagonda, to find out what has been behind Aston Martin's resurgence and success in recent years, as well as what separates them from their competitors. Plus, Mike speaks to a prospected buyer of a DB7 - John Godley, to see what attracted him to this car.