Britain "floundering" in online mephedrone crackdown

BBC quoting Professor Les Iverson chair of the Advisory Council on the Misuse of Drugs. Chemicals made in China being sold on the internet as legal "highs". I suspect its a "puff" for A BBC TV programme, but it's an intriguing phenomenon nevertheless. Is it a new form of organisation for criminals or really the same old? How is the stuff being trafficked? Who is moving it and who is selling it?