Recently, Donald Trump tweeted that "any negative polls are fake news," so we wanted to understand some of the work that goes into polling.  In this episode of Working, Pollster Jim Gerstein of GBA Strategies tells Jacob Brogan about how he uses surveys and focus groups to help his clients understand and influence America. In a Slate Plus Extra, Gerstein tells us how he got some of his earliest experience in polling in Israel.
Email: working@slate.com
Twitter: @Jacob_Brogan
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