In the battle over books, who gets to decide what's age-appropriate at libraries?

For months, Carolyn Harrison and a small band of activists have been setting up folding tables with an array of what they call "bad books" outside the public library in Idaho Falls, Idaho.

"These ideas are going to affect our children in ways that maybe aren't good for them."

It's one of many efforts around the U.S. to change how decisions

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