Here are a few brief thoughts on Tuesday's Republican presidential primary debate.

Shutting Down the Internet

Good luck winning millennials if you say we need to shut down parts of the Internet. Donald Trump says he's open to doing as much, if it would help in the fight against the Islamic State. How would he do that? If someone in Syria tries to recruit people to join the Islamic State over Facebook, would he shut down all of Facebook? That's unlikely, but Trump needs to say something like, "This would be targeted. It would be so narrow you wouldn't notice unless you're a terrorist."

Make it clear that it wouldn't affect most Americans, or else millennials will jump to their worst conclusions about shutting down Facebook, Twitter, Instagram and Snapchat . John Kasich was wise to oppose shutting down the internet and quickly move to other solutions.

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