Last week, Space Exploration Technologies Corporation, better known as SpaceX, suffered yet another setback in its mission to explore the final frontier; a policy wonk offers analysis. What started as a relaxing family vacation has turned into a deadly tragedy for a New York family. And we have a Trending Today roundtable. Guests: Akash Chougule, Jason Wert, Rick Amato, Tom Hinchey, Tim Burg, Stephanie Gabriel. Trending Today USA 09-13-16 Part 4

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