JUDY WOODRUFF:

But first: Helping children distinguish between false information and fact-based news, it's a distinction increasingly a problem for adults.

And, to be clear, we're referring to false information disguised as a legitimate news story, not reporting that people dislike for political reasons and label fake news.

In Washington state, educators and media literacy advocates have joined together with legislators to address the problem.

Special correspondent Kavitha Cardoza with our partner Education Week traveled there recently.

It's part of our weekly series Making the Grade.