Danny Alexander’s diary: Trying to put an undercover reporter at ease, and the unicorn poop question

It’s dangerous, in my line of work, to promise you’ll be anywhere by 8 p.m. I made this mistake recently, saying I’d turn up to a dinner after a Budget discussion — a ‘quad’ meeting, where I sit with the Prime Minister, George Osborne and Nick Clegg. We’ve been doing this for five years, so have come to know each other pretty well.