That is where the professionalism of the Officer needs to come into play - Using a taz, is not it.
A youth mouthing off is where maturity needs to come into play - and the immaturity of "you can't mouth off to me...I'm a big bad police officer" needs to go out the window.
Again, we have 18-22 year old young men in Iraq (in a fierce combat zone) showing more professionalism than this officer.
According to the article He was posturing, threatening with hands and feet.
Once again, you are jumping to conclusions. You were not there, and do not know what was said. Just because it was allegedly said doesn't mean that it's true.