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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Supreme Court Limits Regulation of Some US Wetlands
The U.S. Supreme Court has stripped federal agencies of authority over millions of acres of wetlands, weakening a bedrock environmental law enacted a half-century ago to cleanse the country’s badly polluted waters.
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