Eli Pariser on Upworthy writes that "The United States has the highest incarceration rate of any country in the world — higher than China, Iran, and Russia(!). That wasn't always the case, But when we began sending people to jail for nonviolent drug offenses, the prison population skyrocketed. Share now if you think the "land of the free" shouldn't look like this."
It, mandatory sentencing, has not worked in the United States. In fact it has done the exact opposite. It burdens the state with high costs for maintaining prisons and prisoners plus it has created a number of war zones in cities like Baltimore, DC and Miami. War zones that are fueled by the lack of control over a product that is desired by many in those communities.
If it doesn't work there why would you, Stephen Harper, think that it is going to work here?