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BRIGHTON, UNITED KINGDOM - SEPTEMBER 19: A cardboard cut-out of Liberal Democrat leader, Sir Menzies Campbell, is covered with questions on notes during the party contrence on September 19, 2006 in Brighton, England. Former leader Charles Kennedy is due to return to the conference platform today, eight months after quitting due to a drink problem. (Photo by Bruno Vincent/Getty Images)

BRIGHTON, UNITED KINGDOM - SEPTEMBER 19:  A cardboard cut-out of Liberal Democrat leader, Sir Menzies Campbell, is covered with questions on notes during the party contrence on September 19, 2006 in Brighton, England.  Former leader Charles Kennedy is due to return to the conference platform today, eight months after quitting due to a drink problem. (Photo by Bruno Vincent/Getty Images)