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GLASGOW, SCOTLAND - SEPTEMBER 11: Former Liberal Democrats Leader Charles Kennedy MP, on the campaign trail on Byres Road as the Referendum debate continues on September 11, 2014 in Glasgow, Scotland. With just six days of campaigning left before voters will go to the polls to vote Yes or No on whether Scotland should become an independent country, Alex Salmond has suggested that the No campaign is falling apart. (Photo by Mark Runnacles/Getty Images)

GLASGOW, SCOTLAND - SEPTEMBER  11: Former Liberal Democrats Leader Charles Kennedy MP, on the campaign trail on Byres Road as the Referendum debate continues on September 11, 2014 in Glasgow, Scotland. With just six days of campaigning left before voters will go to the polls to vote Yes or No on whether Scotland should become an independent country, Alex Salmond has suggested that the No campaign is falling apart.  (Photo by Mark Runnacles/Getty Images)