Yes this one is a real shame.
I know ZPS about this situation but I still wonder that the dad did not exercise more control.
The article misses the point (as one might expect) which should have less to do with the cannon's status as a fire arm (and therefore subject to some kind of regulation) and more to do with the engagement of common sense in anything that is potentially dangerous.
Much more to say on this one and my comments would only be filtered by my distaste for our anti-American news media.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson