A Vast Left-Wing Competency

… Those who went into the polling business on the left were political consultants, too, but many of them also possessed serious scholarly credentials and had derailed promising academic careers to go into politics. Now that generation—Stan Greenberg, Celinda Lake, Mark Mellman, Diane Feldman, among others—preside over firms that see themselves not only as vendors of a stable set of campaign services but patrons of methodological innovation.

When microtargeting tools made it possible to analyze the electorate as a collection of individuals rather than merely demographic and geographic subgroups, many of the most established Democratic pollsters in Washington invested in developing expertise in this new approach. Their Republican rivals, by contrast, tended to see the new tools as a threat to their business model. [cont.]

Sasha Issenberg, Slate