I can't remember for sure who said it or why, but it was said on radio station KLBJ in Austin this morning. I wasn't really listening until I heard Rush's name. The person doing the talking had apparently done some research and found that in the earlier years, Rush was a proponent of the War on Drugs, but later on, he decided that this was costing us too much money and wasted lives. Later, he came to the conclusion that making drugs legal was the thing to do. The guy talking said that actually, Rush hadn't made all that many comments on drugs during all the years he has been on the radio.
Sorry I can't be more helpful.