He adds that getting out of the strike-carrier business for ten years means that critical skills will be lost.

ECONOMIST: Why scrapping the Harrier aircraft looks like a mistake

Ronaldo was then denied his 29th goal of the season by two brilliant saves from Valencia goalkeeper Vicente, who first repelled the striker's point blank shot from ten yards out before flicking a powerful strike round the post less than a minute later.

CNN: Real Madrid victory eases pressure on under-fire Mourinho

In Angola's deep blocks 14, 15, 17 and 18, that strike rate has been almost ten out of ten, and it has included such huge discoveries as Elf's Dalia field in Block 17, which is believed to contain more than 1 billion barrels, the equivalent of one-fifth of Britain's entire known reserves.

ECONOMIST: Angolan oil: Drilling down | The