From the Toronto Globe and Mail, a pretty scathing arrticle:

Vancouver — Governments in Canada should steer completely clear from adopting or emulating any current drug policies in the United States, an outspoken New York state prosecutor said Tuesday.

“My advice to Canada is stay as completely far away from U.S. drug law policy as possible,” said David Soares, the district attorney for Albany County in the state of New York. “You (Canada) are headed in the right direction.”

In a blunt and scathing condemnation of his state and country's ineffective drug war, Mr. Soares said lawmakers, judges and prosecutors in the U.S. know their system is ineffective.

Let's take a look at what Mr. Limbaugh was really up to.

According to police records of his prescriptions, El Rushbo was dropping about 10 of the highest-strength hydrocodone (e.g., Norco, Oxycontin) tablets available. Each pill that he was taking was 4 times the strength of what's typically prescribed. He was taking more twice the maximum prescribed dosage each day - and this is the heaviest duty stuff available - it's used for the worst pain imaginable.

So, in short, he was taking a dosage that no legitimate physician would ever prescribe.