Quote : Mr. Rothschild and Mr. Osborne 23rd October

"... Mr. Rothschild has not explained why he publicly denounced his old drinking companion. But it appears that he was offended by Mr. Osborne’s violation of something known informally as the “house-party rule,” which holds that you do not betray confidences told to you by fellow guests at a friend’s house.
“Perhaps in future it would be better if all involved accepted the age-old adage that private parties are just that,” Mr. Rothschild wrote "

Loose Lips Lead to Trouble for British Tories. Sarah Lyall, The NYT (en)