A new poll suggests that 77 percent of Americans think there’s evidence that aliens have already visited Earth. The same poll suggests most Americans think President Barack Obama would do a better job than presumptive GOP challenger Mitt Romney if we had to fight off an alien invasion. And if we have to rely on a superhero to save us, they’d rather go with the Hulk than Batman.
That somewhat silly survey was conducted to tout a "Chasing UFOs" TV series on the National Geographic Channel, but the results raise a serious question: If an alien civilization does get in touch with us, who’s in charge of figuring out what to do?
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