Jacqui Smith has asked the Association of Chief Police Officers, the Police Federation and other police bodies to come up with proposals for tougher enforcement once cannabis is moved from a class C to class B drug early next year. The reclassification is a response to concerns about the increasing strength of cannabis, and is against the advice of the Advisory Council on the Misuse of Drugs. It reverses a decision made in 2004 when Tony Blair was Prime...