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Inside the Boiler Room: Likely vs. Registered Voters

NBC's Mark Murray and Domenico Montanaro discuss how pollsters determine who is a likely voter and whether measuring likely voters or registered voters gives a better picture of the electoral map.

Thanks to Da Noid for the question! Don't forget you can ask us questions on Facebook and Twitter...and follow us @mmurraypolitics and @DomenicoNBC

Video edited by NBC's Matt Loffman.