Developing countries are attempting to bolt down as many commitments as possible and they sense that there may be some movement on a new mechanism for loss and damage.

BBC: Climate compensation row at Doha

And even now as Bolt gets down on the blocks at a major championships, that early experience gained is invaluable.

CNN: STORY HIGHLIGHTS

Mr Romney could turn out to be plausible on this criterion: he should tack to the centre in 2012 if he can bolt the nomination down.

ECONOMIST: Christopher Lockwood bemoans reality

Workers found a broken bolt and shut down the reactor.

WSJ: Japan Plant Had Troubled History

In winning the 100m, Bolt significantly slowed down as he approached the finishing line and Norwegian physicist Hans Eriksen has estimated the Jamaican could have run 9.55 seconds if he had finished at full pace.

BBC: Bolt eyes world record domination

After a false start by Britain's Marlon Devonish, Bolt surged round the bend before easing down at the finish.

BBC: Stunning Jeter run upstages Bolt

That "responsible gun owner" politicians talk about, the one who reverentially passes down to his son the bolt-action rifle his father gave him?

CNN: Not man enough? Buy a gun

But Bolt kept calm and surged ahead of the field, slowing down as far as 20 meters from the finish as he allowed training partner Daniel Bailey of Antigua to gain ground on him.

CNN: Bolt smashes own record to win world 100m title