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Drone

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The Switchblade "kamikaze" drone

A one-time-use unmanned aerial vehicle, the Switchblade drone is a powerful weapon that can dive bomb its targets, such as tanks and artillery nests, at a range of up to 30 miles. So far, 700 Switchblades – large and small – have been supplied to Ukraine for use against Russian forces. CBS News national security correspondent David Martin talks with the CEO of Switchblade manufacturer Aerovironment, Wahid Nawabi, who as a child in Afghanistan saw the effects of an invading Russian army – and the power of innovative defense technology.

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The full episode of the CBS Evening News from December 2, 2013

Investigators have determined that a Metro-North train was traveling 82 miles per hour -- 52 mph over the speed limit -- before it jumped the track and crashed, killing four people; and, Penn State's John Urschel graduated with a degree in mathematics and a perfect 4.0 GPA in just three years. He's also a 300-pound offensive guard for the school's football team with a chance to play in the NFL -- if he doesn't decide to get a Ph.D. first.

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