Namely this one: http://www.flyertalk.com/forum/briti...screpancy.html

It reminds me of the story about the granny who handed to a policeman some pornography that she'd found.

"I was shocked, officer, shocked!" she said.

"I'm so sorry that you had to see that even once", said the policeman.

"It was worse than that, officer: I was shocked every time I looked!"