So I assume by your answers that you would support, laud, and defend the "right" of Americans to abrogate their own inalienable rights to life, liberty, and the pursuit of happiness?
If such a drug did exist, there would be no reason to make it illegal, as no-one would want to take it anyway.
After all it is not illegal to buy own or sell rat-poison.
The fact of the matter is, you are confusing the role of government with the role of church and family. You are attempting to grant to government the task of parenting and that will NEVER work. It can't. YOU have to be the parent for your family and raise your children with the kind of values that YOU believe they will need to succeed in the world. If you don't do YOUR job, don't whine when they fall in with bad companions and do things you might abhor.
I will post something for you to mull over on another thread, but may I suggest you look up Frederic Bastiat at bastiat.org in the meantime.