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Believe the Polls? How Margin of Error Really Works
NBC News’ Carrie Dann explains how we get our polling numbers together and breaks down the margin of error.
NBC News Politics
SOURCES SAY: Sahil Kapur and Kimberly Atkins01:25
The fallout between Trump and Cohen continues12:54
Should Congress push back more against WH?09:34
Writer explains why he's no longer a Russiagate skeptic09:38
Fallout from Trump-Putin summit shows up in new poll09:16
Trump's Iran threats won't get us anywhere: Stavridis08:10