So the question is why on earth no Barclays' manager ever sought to tell Mr Diamond or any other senior executive that for months they had been systematically telling the Libor-setting committees that Barclays' borrowing costs were lower than was actually the case?

BBC: What did Bank of England say to Barclays about Libor?

The suit, led by Wal-Mart employee Betty Dukes, began in 2001 and claimed that female employees were systematically paid less than male employees, received smaller raises and fewer promotions and were steered away from management positions into lower-level jobs without much advancement potential.

FORBES: Will Google's Marissa Mayer Help Solve Wal-Mart's Woman Problem?