And it gets worse. A week after Washington waded into the debate on Britain's future in the European Union, it has emerged that the former aide to Bill Clinton predicted back in 2009 that: "his [David Cameron's] future problem is that he does not want to be the leader who takes Britain out of Europe but he is putting himself in a position where he may not be able to prevent his party doing so."
Looking into a crystal ball, Blumenthal warned Hillary Clinton six years ago that:
"..a Cameron government would be more aristocratic and even narrowly Etonian."
But it's not just contempt for David Cameron revealed in the messages sent to Hillary Clinton. Blumenthal also took a pop at London Mayor Boris Johnson, describing him as a "Tory clown prince." Boris Johnson has been Mayor of London since 2008 and became a Member of Parliament for Uxbridge and South Ruislip in May 2015.
The damning messages revealed in the British press prompted a statement from Downing Street which said:
"The special relationship between the UK and the United States is as strong as ever and the president recently acknowledged the importance of the alliance to the US."