The other 2012 election contest: which pollster and polling method will win?

People like me are always looking into the polling data to see what has worked well in the past to correctly forecast election results for the future. The problem is that there are a number of polling methods and ideas that worked well in prior years, yet are in opposition to each other right now. Who will be right?

Here’s a list of the top five polling match-ups of 2012. [cont.]

Harry Enten, The Guardian