When you look beyond the paternalism, cynicism, genuine concern -- whatever motives drive the Harper government's punitive approach to crime -- only one question matters. Is it effective? Will closing Vancouver's safe injection site, Insite, reduce drug addiction and related crime? Will imposing six-month minimum jail sentences on anyone caught with as few as five marijuana plants inhibit pot-smoking among teenagers? Will expanding prisons reduce violence in our streets? Most legal experts, criminologists, addiction researchers and street-level health workers, along with many police chiefs and past reports from Parliamentary committees, say "no" -- as does the experience of other "tough-on-crime" jurisdictions. ...As New Democrat Libby Davies noted: "What they are doing is not based on evidence, whatsoever. It's a political stance."