It was on its last legs, but two recent events look like the final nails in the coffin for our unique unwritten constitutionTwo developments on Wednesday 4 November have finally blown up Britain's uncodified constitution, symbolically just before the anniversary of Guy Fawkes's early efforts.The publication of the Kelly report on MPs' expenses makes it certain that members of parliament will no longer be in charge of their own pay and remuneration. Their exceptional sovereignty as the supreme body, one that therefore had to be self-regulating, is now universally derided as a club-land hangover. They still call each other honourable members, but who regards them as such, or trusts them to be so? Now, not even they do. However, the ...