«This means that more and more of us have a hard time looking at political information and coming to rational conclusions. Instead, we instinctively jump to the partisan conclusion because it’s how we protect our identities.

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Sorting has been an asymmetrical phenomenon, however. It has taken place on both sides, of course, but according to Mason and co-author Julia Wronski, Republicans tend to be a lot more sorted by demographics

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39 percent of conservatives say negatives news stories about politicians or political groups are always “fake news” — even if they are ACCURATE. This is far more than liberals who say the same.»

Source: https://www.vox.com/2018/7/25/17611854/trump-alternate-reality-survival