Scottish Referndum Debate Continues As Vote Is Too Close To Call

RENFREW, SCOTLAND - SEPTEMBER 16: Deputy First Minister Nicola Sturgeon and Cabinet Secretary for Finance John Swinney, look on as 19 year old apprentice fabricator Craig McKee angle grinds a yes sign during their visit to Steel Engineering on September 16, 2014 in Renfrew, Scotland. With just two days of campaigning left before polling stations open and voters across the country will hold Scotlands future in their hands. (Photo by Jeff J Mitchell/Getty Images)