Downing Street/Remain have been rattled by Vote Leave’s recent strategy shift towards proposing a post-Brexit policy platform. In the last week or so Gove, Boris and Priti have begun to offer alternative policies for a Leave government, such as an Australian-style immigration points system and scrapping VAT on domestic fuel. Craig Oliver has been heard privately complaining that Leave ministers talking about policy are breaching purdah rules – a bizarre argument since they are not proposing policies for this government. Also amusing to hear Remain claim Leave aren’t campaigning fairly. This new tactic from Vote Leave grabs headlines, is difficult to rebut and is clearly spooking Number 10…