What do the polls mean?

Polling numbers can range drastically from poll to poll, sometimes showing one presidential contender far ahead of the other while another shows the two neck-and-neck. How do you know what to believe?
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Polling numbers can range drastically from poll to poll, sometimes showing one presidential contender far ahead of the other while another shows the two neck-and-neck. How do you know what to believe?

Trump’s poll numbers don’t match Clinton’s electoral map realities

September 02, 2016 12:33 PM