And I agree that telling the truth as you understand it is one of the key elements of being trustworthy.

FORBES: Don't Spin! Shading the Truth Can Hurt Your Career

We think Al Gore would agree - it is an inconvenient truth that can no longer be ignored.

BBC: Discover life in the Nevada desert

It is relatively easy to ask the hapless representatives of companies such as G4S whether they agree with criticism of their record: finding the hidden truth is more difficult.

BBC: Do politicians ask the right questions?