Cannabis: Time to rethink? Tony Blair's hint that the downgrading of cannabis may be reversed means drugs is firmly back on the political agenda at the start of the new term. In his new book, Griffith Edwards, founder of the National Addiction Centre, offers some radical solutions. Cannabis, the drug of choice for students and regarded by millions of otherwise law-abiding people as a harmless high, is the subject of renewed debate about its effect. It was downgraded last year to Class C, the same as steroids. This made most cases of cannabis possession a non-arrestable offence. But in March,...