Law-enforcement agencies are themselves "addicted" to drugs. They have grown dependent on the crime-fighting statistics generated by drug arrests. The employment of prison staff depends on extraordinary rates of incarceration.
Unfortunately for the Drug Enforcement Administration, the organization is single minded for the most part, meaning there's no backup plan should Americans one day decide to do away with prohibition altogether.
My friend is still alive. Marijuana will not reverse the course of her illness, but thanks to high-quality cannabis products, she is alert enough to talk to her friends and family for what may be the last time.
Obama's plan is good news for medical marijuana advocates, but although this is a historic shift in the War on Drugs, it does not go far enough because it does not resolve the illogic of the underlying legal issue.