[wreckimnaked]

> Your right to consume drugs (which I fully support) stops when you begin to pollute the air I breathe.

Really? The air you breathe is mostly polluted by fossil fuel combustion. We should by that logic ban cars and power plants, not cigarettes.

[mikeash]

We should, and do, heavily regulate those activities. Banning them altogether is impractical, but we don't just give people carte blanche to dump whatever they feel like into the air.