>> less than a year from now in this very arena one of these ten candidates or one of the seven on the previous debate tonight will accept the republican party's nomination. tonights candidates were selected on the basis of five national polls. >> fox news is partnering for tonight's debate with facebook. for the past several weeks we've been asking questions of you on facebook. nearly 6 million of you viewed the debate videos on our site and more than 40,000 of you submitted questions.