… Over the past few years, however, polling junkies have noticed something curious: Gallup’s polls have produced results that appear slightly but consistently more negative to President Obama than those produced by other firms. The Huffington Post has conducted an independent analysis that confirms the phenomenon and points to a likely explanation. The problem lies in the way that Gallup handles the racial composition of its samples, and the findings highlight significant issues with how polls are developed and conducted today. [cont.]
Mark Blumenthal, The Huffington Post