Indeed, adjusting the estimates of completed stories is more likely to be harmful than merely useless. Paul Oldfield writes.

At 14,000 feet. Oldfield says the sky-high bonding exercise left the workers "exhilarated" and "more confident" in just one day.

"We have offices in 23 countries, and every week global clients ask us to act for them on cross-border transactions involving Brazil," says Anthony Oldfield of Clifford Chance's Brazil office.