Yes, Mr. Bush, they hate us for our freedom. That’s exactly it.
Apparently, this video has been up since September. In the context of all of the death and killing in Iraq, it’s not a huge deal. But daily scenes like this? Is why at least a few of those kids will likely soon be fine with, if not actively contributing to, more US troop deaths. More background at this UK news site (you didn’t think the US press would report this, did you?)