With less than a week until Election Day, the latest New York Times/CBS news poll shows 45 percent of likely voters supporting Hillary Clinton and 42 percent supporting Donald Trump. But other polls reflect a much closer race. What explains such vast difference in results? In this hour, we look at the science of polling and how polls ultimately do (or don’t) reflect results at the ballot box.
Henry Brady, dean, Goldman School of Public Policy and professor of political science and public policy, UC Berkeley
Jon Cohen, senior vice president, survey research and chief research officer, SurveyMonkey
Ron Elving, senior editor and correspondent on the Washington desk, NPR News