Presidential Primary polls

In The Republican presidential primary the results of votes are:

Romney 34, Gingrich 14, Santorum 15, Paul 13, Perry 5, Huntsman 2 The Florida presidential primary the results of votes are:  Romney 41, Gingrich 19, Santorum 15, Paul 9, Huntsman 5, Perry 2 The South Carolina presidential primary the results of votes are:Romney 23, Gingrich 21, Santorum 14, Paul 13, Perry 5, Huntsman 7    General Election: Romney vs. Obama Rasmussen Reports Obama 44, Romney 41 Obama +3 Florida: Romney vs. Obama Quinnipiac Obama 43, Romney 46 Romney +3 Florida: Santorum vs. Obama Quinnipiac Obama 45, Santorum 43 Obama +2 In the beginning poll it appears that Romney has more votes than the other candidates.I wonder why his popular votes could outshine the other republican candidates.This seems to be no threat for Obama still because he leads Romney in their first election. The Florida state votes result to Obama winning by at least 3 votes against every candidate.

"RealClearPolitics - President Obama vs. Republican Candidates." RealClearPolitics - Opinion, News, Analysis, Videos and Polls. Web. 14 Jan. 2012. <http://www.realclearpolitics.com/epolls/2012/president/president_obama_vs_republican_candidates.html>.