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Polls offer a snapshot, but not always reliable predictions

Polls offer a snapshot, but not always reliable predictions

12/09/2015 | Rating NR

PBS News Hour

Polls offer a snapshot, but not always reliable predictions

Clip: 12/9/2015 | 10m 32s

Polls offer a snapshot, but not always reliable predictions

Early polling often doesn't reflect who goes on to become president (think Howard Dean or Newt Gingrich). These days pollsters acknowledge they are wrestling with a sea change in polling methods that's making it harder to collect a sample opinion of Americans. Judy Woodruff reports as part of a collaboration between The Atlantic and the PBS NewsHour.

12/09/2015 | Rating NR

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Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...

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