YORK, ENGLAND - MARCH 13:  A  Britain Stronger In Europe campaign poster adorns a lamp post outside the York Barbican during the Liberal Democrats spring conference on March 13, 2016 in York, England. On the last day of the Lib-dem Spring conference Farron claimed the UK is at an economic crossroads and accused Chancellor George Osborne of planning 'unnecessary ' cuts during next weeks budget.  (Photo by Christopher Furlong/Getty Images)