....orcas are the only known predator of the one-tusked narwhal.



http://www.theatlantic.com/technology/archive/2012/11/when-the-nerds-go-marching-in/265325/
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"If it turns out that President Barack Obama can make a deal with the most intransigent, hard-line, unreasonable, totalitarian mullahs in the world but not with Republicans? Maybe he’s not the problem."