Gary Hart

Gary Hart, chairman of the American Security Project, represented Colorado in the U.S. Senate from 1975 to 1987. He is a professor at the University of Colorado at Denver and was co-chairman of the U.S. Commission on National Security for the 21st Century.

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The Best 71-Second Animation You'll Watch Today

A rock monster tries to save a village from destruction.

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The Case for Napping at Work

Most Americans don't get enough sleep. More and more employers are trying to help address that.

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A Four-Dimensional Tour of Boston

In this groundbreaking video, time moves at multiple speeds within a single frame.

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Who Made Pop Music So Repetitive? You Did.

If pop music is too homogenous, that's because listeners want it that way.

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Stunning GoPro Footage of a Wildfire

In the field with America’s elite Native American firefighting crew

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