http://www.guns.com/philly-cops-subdue-nearly-shoot-man-legally-carrying-gun-and-audio-recorder-audio-included.html

An innocent man could have died there.
This is why we Americans need to hold onto our 2nd Amendment rights. For as long as those who enforce laws carry, we too shall carry to ensure our freedoms do not become trampled.

Also: http://www.youtube.com/watch?v=RXpMzT5yGp8&