Most are no longer of any intelligence value, American officials admit.

ECONOMIST: Guant��namo detainees

"As a judicial officer, he must surely know that a letter allegedly written by alleged supporters of our candidates would have no evidentiary value and no court would admit it into evidence, " Mr Mbiuki said, in a statement.

BBC: Kenya's Willy Mutunga 'threatened' over Kenyatta case

Upon restructuring, banks are meant to recognise any fall in net present value in their books, but the losses they admit to are tiny.

ECONOMIST: Indian banks

But it is also because universities, reluctant to admit that not all institutions and degrees are of equal value, are afraid of damaging their brands.

ECONOMIST: The birth pangs of a market in higher education

Officials admit that reaching the fiscal target will be made easier by higher inflation, since it erodes the real value of public spending.

ECONOMIST: Brazil and the IMF

The role of inflammation and the value of CRP as a predictor are still very much open to debate, and even supporters of the inflammation theory admit that it is unlikely to become more important than cholesterol.

CNN: The cholesterol-inflammation connection