Aston Martin is liberally sprinkling the superlatives when describing the new DB12, which hits showrooms later this year. It is variously billed as the world's first super tourer, a quantum leap over its predecessor and it claims to sets standards in terms of performance, ultra-luxury and style. Fictional spy hero James Bond is synonymous with the British brand and no one would be surprised to see this super-tourer crop up as his company car in the next 007 movie. The DB12 is not electric or a h