BIRMINGHAM, ENGLAND - SEPTEMBER 18:  Liberal Democrat MP Tim Farron speaks during the Liberal Democrat Autumn Conference at the International Convention Centre (ICC) on September 18, 2011 in Birmingham, England.  Deputy Prime Minister, Nick Clegg yesterday stated that he will not agree to calls from some Tory coalition partners to abolish the 50p tax rate, as the Liberal Democrats gather for their five-day autumn conference in Birmingham.  (Photo by Dan Kitwood/Getty Images)