BOURNEMOUTH, ENGLAND - SEPTEMBER 21: Former leader of the Liberal Democrats Nick Clegg speaks on the third day of the Liberal Democrats annual conference on September 20, 2015 in Bournemouth, England. The Liberal Democrats are currently holding their annual conference using the hashtag #LibDemfightback in Bournemouth. The conference is the first since the party lost all but eight of its MPs in May's UK general election, however after gaining 20,000 new members since May the party is expecting a record attendance at the event being held at the Bournemouth International Centre. (Photo by Matt Cardy/Getty Images)

BOURNEMOUTH, ENGLAND - SEPTEMBER 21:  Former leader of the Liberal Democrats Nick Clegg speaks on the third day of the Liberal Democrats annual conference on September 20, 2015 in Bournemouth, England. The Liberal Democrats are currently holding their annual conference using the hashtag #LibDemfightback in Bournemouth.  The conference is the first since the party lost all but eight of its MPs in May's UK general election, however after gaining 20,000 new members since May the party is expecting a record attendance at the event being held at the Bournemouth International Centre.  (Photo by Matt Cardy/Getty Images)