Dave Cullen, author of "Columbine," discusses the Parkland, Fla., shooting survivors and says that while he doesn't foresee the protests slowing, he's not sure they'll lead to lasting change. For the full interview, [click here](https://cheddar.com/videos/from-columbine-to-parkland-a-journey-of-gun-reform).

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Biggest Takeaways From Wednesday's GOP Debate
The second Republican debate last night saw several candidates try and stray away from frontrunner former president Donald Trump. Jonathan Harris, columnist and political analyst, broke down some of the most memorable moments of the debate.
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