![KPBS News | KPBS.org show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/049/510/small/kpbs-news-kpbs-org.jpg)
Summary: Polls are being released left and right as the race for San Diego mayor nears the home stretch. But the question is: Why do these polls differ so much?
Summary: Polls are being released left and right as the race for San Diego mayor nears the home stretch. But the question is: Why do these polls differ so much?