PERTH, SCOTLAND - OCTOBER 20:  Scottish First Minister Alex Salmond is joined on stage by Deputy First Minister Nicola Sturgeon after he Spoke at The SNP Annual Conference on October 20, 2012 in Perth, Scotland. The First Minister delivered his key note speech today after signing a deal with David Cameron earlier in the week for Scotland's referendum to take place in the autumn of 2014. (Photo by Ian MacNicol/Getty Images)