Did you see my post to you on the first page on this thread? In it , I posted an older FR thread on these remarks by JR. In his reply on that thread in post 10, he states that his remarks were a sarcastic response to a WSJ article which described drug use by a president as 'no big deal'. So since the whole issue has been gone over before on FR on a 30+ thread, your suggestion of doing research seems to be one you should have taken yourself.
Argh-300+ thread.