I knew you would be along ready to get all pedantic, which is why I wrote what I wrote here "a change to the voting system" no mention of PR/AV/STV etc, just a change to the system.
If the Lib Dems screwed up their choice of system and picked one which would not be acceptable is not something that can be laid at the door of Boris Johnson is it?
Nick Clegg had his chance, he messed up by choosing the most complicated. The he raised tuition fees now he works for Facebook, he did well eh? From ultra-democrat to ultra-privacy invader in 10 short years