I'm not going to get into the whole health effects debate, but my stance on recreational use is basically the NAP.
Do what you want, as long as you aren't endangering me or infringing on my ability to do what I want.
It's your body; who am I to tell you what to do with it? Oh yes, I forgot. I'm a lobbyist.
For McDonalds?
It's a little complicated, but I actually lobby for an oil company. See, if pot-smoking were made legal, so would hemp=growing. Did you know the US is the world's biggest importer of hemp?