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National Security

Will nuclear megaton shockwave avert Earth-bound asteroid?

By YouTube

2:23 pm, March 14, 2012 Updated: 4:29 pm, March 14, 2012

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'Upset' emissions: Flares in the air, worry on the ground

Lax state rules provide cover for sponsors of attack ads

Gun groups, defense contractors buck downward trend in lobbying

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      • Without better laws, "dark money" groups will prosper in 2014 state races

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