The Kojo Nnamdi Show

Both major political parties are spending hundreds of millions of dollars to influence the opinions of a tiny sliver of the electorate, using attack ads, stump speeches and surrogates to reach undecided voters. But both parties are also engaged in a secretive, data-driven competition to identify and motivate their core supporters for Election Day, drawing inspiration from prescription drug trials and behavioral science experiments. We talk with author Sasha Issenberg about the secret science of winning campaigns.