When Donald Trump won the 2016 US election, the world was shocked because polls had predicted an easy win for Democratic Party candidate Hillary Clinton. So, with the polls showing a close race both at the national level and in the swing states that will determine the next president, can we trust them?  Today, Matt Taglia from Emerson College Polling explains the science of polling.   He discusses the accuracy of current polling methods and how they have evolved since 2016.  Matt Taglia addresses the challenges pollsters face in reaching a representative sample of voters, especially in swing states.  Featured:  Matt Taglia, senior director at Emerson College Polling Key Topics: 2016 US Election Polling  Polling Accuracy Margin of Error Polling Methodology Swing State Polling Key US Election 2024 Issues 'Shy' Trump Voter Effect Polling Trends and Predictions