[ame]http://www.cnn.com/video/#/video/bestoftv/2009/11/23/nr.bart.spokesman.cnn[/ame] The video appears to show the cop pushing the guys head into the window but I'm not 100% sure of that. The video doesn't show the beginning of the fight so it's hard to know what was going on. It does seem however that smashing someone into the glass is going a bit far. I hate the bi-polar excuse. I'm bi-polar and so are a few people I know and we've never acted out violently.