<p>[Cop</a> Harasses Dad for Holding Hands With Daughter, Demands Gratitude - Hit & Run : Reason.com](<a href=“http://reason.com/blog/2012/07/31/cop-harasses-dan-for-holding-hands-with]Cop”>Cop Harasses Dad for Holding Hands With Daughter, Demands Gratitude)</p>
<p>there’s also at least one “this american life” based on this idea</p>
<p>you can google for more</p>
<p>I doubt anyone keeps statistics on police calls / harassment by specific reason.</p>