By turns informative and amusing, Campbell takes us along on his foray into growing medical marijuana in Colorado. The whipsawing legislation of the time period was covered very thoroughly. I think that the US is on a clear path to legalize weed, and I also think it's high time. Campbell lays out the statistics about marijuana and health clearly and convincingly- though I didn't need convincing. I'd like to see him write a follow-up now that Colorado has legalized marijuana for everyone.