What can newsrooms do about fake news?

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At least one news director believes that something extraordinary will have to happen to end the challenge of fake news brought by social media.

It’s part of a News Lab article asking news directors how they’re reacting to the fake news challenge.

The news directors in the article point to social media:

Mary Carroll Sullivan, executive producer at WCBI in Columbus, says people often will believe whatever they come across on social media. People have the idea that because they saw it on Facebook, it must be true. However, much of what appears on social media is not fact but merely opinion.

What can newsrooms do to push back against fake news?