Jeremy Corbyn’s supporters will be partying like it’s 1983 at the Speakeasy Bar in Epping tomorrow night. The Corbyn campaign is sponsoring an official ‘Cocktails for Corbyn‘ bash, offering drinks such as “Dianne Abbotts” [sic], described as “Champagne Socialist Martinis”, and “Kier Hardie” Old Fashioneds. Also on the menu are “Bloody Margarets“, a rather tasteless reference to the late Lady Thatcher. Only 11 people have RSVP’d so far, seems Essex isn’t a Corbynista heartland. Bloodthirsty Reds…