Image by J. Patrick Bedell from Wikipedia According to an article in the  i  and Independent newspapers, legalising cannabis could bring in £500 million annually in tax revenues in the UK, on top of removing the expensive enforcement costs, reducing the risk of buying from dubious sources and stopping a flow of cash to organized crime. Given all this, we really have to ask why on earth we are not legalising cannabis as soon as possible? I ought to say here that I have never smoked or otherwise consumed cannabis, and have no intention of doing so. But the case for legalisation is huge. I know the anti- lobby will come out with arguments about cannabis being bad for you - and I'm not disputing this. But do they argue that isn't the case for tobacco and alcohol? If so, they are very confused. Legalising cannabis is not about making it more acceptable, it's about making it better controlled. We have an impressive example in the US with the alcohol prohibition exper...