"A lot of New Mexicans said this is going to be Richardson's folly... we like to drive our pick-ups, we like to drive fast, we like to drive along with our rifles in the rack at the back of the car, and what's happened is everyone's realised that the Rail Runner has been a blessing because it gets people to where they're going quicker, " he says.

BBC: Full steam ahead for US railways

The firm's founders realised that biological synthesis of certain sorts of molecule is much more efficient than chemical synthesis.

ECONOMIST: Inhuman genomes

Mr Blair's critics realised that one reason Lord Hutton had disappointed them was that his remit was narrowly drawn.

ECONOMIST: Intelligence