The city of Sunnyvale is at war with thousands of crows that have invaded downtown. To try and drive the birds away, city employees have been armed with $20 green laser pointers. Ideas for other solutions abound: hang effigies of dead crows off of buildings, blast crow distress sounds from boomboxes, light up the sky with pyrotechnics. What is it with all the crows? And what will it take to shoo them away?

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