A lawsuit filed against Facebook Inc. on behalf of terrorism victims in Israel illustrates some of the complications of going to court to remedy violent radicalism.

Fortunately, there s a better way to address the problem of militants exploiting social media.Lawyers for the victims sued Facebook in Manhattan federal court on Monday, seeking $1 billion in damages.

They alleged that the U.S. company allowed Palestinian militants affiliated with Hamas, branded by the U.S. government as a terrorist organization, to use the online service to plan attacks that killed four Americans and wounded another in Israel, the West Bank, and Jerusalem.

"Simply put, Hamas uses Facebook as a tool for engaging in terrorism," the lawyers wrote.

The suit alleged that Hamas has used Facebook to share operational information and instructions for carrying out attacks.Whatever one's position on the Middle East conflict, it's fair to say that the suit against Facebook faces some serious legal hurdles.

First, there is the so-called safe harbor provision of the Communications Decency Act.

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