NEW: California DAs have charged nearly 20,000 people with drug possession *felonies* under Prop 36, a new tough-on-crime law.
Despite promises for "mass treatment," only 57 of those people have successfully gone into treatment + had their cases dismissed in the first year. Others face prison time.
Exclusive: Drug users face felonies and prison under Prop 36, with analysis showing racial disparities and little help
