This is a good article. It's non-partisan. The article explores the results of a scientific survey and even shows the questions and answers. Here are the scores. All groups failed the test with a grade of less than 50%.
- 46% for Trump voters
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43% for males
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41% for 35 to 64 year olds
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38% for 65+ year olds
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37% for 18 to 34 year olds
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36% for females
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32% for Democrat voters