You need to have a feedback system to report news errors (Campaign 2016 Scorecard is filled with errors)
You need to have a feedback system that allows people to provide feedback (doesn't have to be textual, can just be selection box) to alert you to factual errors in your news.
If you look at this article: https://www.yahoo.com/politics/democratic-and-republican-delegate-scorecard-164410211.html
The errors are numerous (look at Cruz's counts versus total, look at New Hampshire and Hillary versus Bernie).
This should have been reportable as it suggest you have no quality assurance.
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