Although the agency said the move was unrelated to the credit crisis, it was an odd moment for Ms Corbet to fall on her kitchen knife.

• 尽管标准普尔声明这一举措与信贷危机毫不相干，但很明显标准普尔如此紧张的时刻，“家庭”并不是一个好的凯瑟琳下台借口。