Sunny reckons that Boris Johnson doesn't "know his head from his arse". This is because he was apparently unaware of the whereabouts, or even sure of the existence of, a memorandum of understanding between London and central government. The memo turned out to be available on the Culture Department's website.

This strikes me as a bit odd.  I mean, the mayor's office presumably has civil servants working there. Why couldn't they tell Boris where to find a copy of the memo? Or didn't he ask? 

More to this than meets the eye, I would say.