When Jess Green joined the Labour Party at university she doubled the number of members who met weekly in the Liverpool Philarmonic pub. Since then she's stuck by them through the downfall of Tony Blair, the disappointment of Gordon Brown and the monolith of Ed Miliband. After a decade of keeping her membership card firmly at the back of her wallet she's suddenly, like most frustrated lefty activists, fallen head over heels in love with Jeremy Corbyn and is raw Communist sex appeal.