I’m not quite Vernon Bogdanor when it comes to UK-constitution-ology.
Nonetheless, I’m not convinced that seeking to compel the monarch to reassert non-ceremonial power, purely because of a scandal that really doesn’t matter very much, is a wise plan likely to lead to better governance and general Good Things.
…and on the expenses thing, while it provides light entertainment and an amusing stick with which to beat appalling people like Jacqui Smith, you really are a massive twat if you view it as much more than that.
The people who run the country get paid more than a milkman, and take the piss on expenses about as much as the average investment banker or management consultant. Well, bugger me sideways, how awful.