Is Gun Control Working?

Take a look at the following image and tell me that gun control is not working.  Can the same be said about cancer or heart disease?  How about automobiles or prescription drugs?  What about hospitals?  Check out the leading causes of death and you'll see that homicide and Parkinson's Disease tied for last place...

Do we need more gun control laws or do we really need more personal responsibility and better mental health care?  Think before you point your finger at guns as the cause of violence; knives, automobiles, fire and parents are exponentially more dangerous than guns.