Knowing the economic value that can be wrung from protected areas without damaging them is decisive.

ECONOMIST: The World Parks Congress

Many a private-equity firm has overestimated the profits to be wrung from buy-outs, and the sovereignty market may be no exception.

ECONOMIST: Just imagine that countries still traded land for money

Apparently some of the best leadership ideas can be wrung from stand-up comedians--that is if you believe Roger Edward Jones, a management coach who has dabbled in stand-up and subsequently become inspired to add to the ever-growing mountain of books on management self-help.

FORBES: Leadership

Businesses participating in the zones may be paid fees for consultancy work but the teaching unions have wrung from ministers a promise that no firm will profit from providing state-financed teaching.

ECONOMIST: Schools

John Prescott, the deputy prime minister, has already wrung a crucial agreement from the Treasury that the revenues from both these sources can be earmarked by local authorities for other transport projects.

ECONOMIST: Driving Britain off the roads