BRIGHTON, ENGLAND - SEPTEMBER 20:  Members of the Liberal Democrats attend the final day of the Liberal Democrats' 2016 Autumn Conference on September 20, 2016 in Brighton, England. The party leader Tim Farron will deliver his final speech later today when he will announce that one of his party's key pledges would be to raise taxes to fund shortfalls in the NHS. (Photo by Dan Kitwood/Getty Images)