Bill Bogart, author of 'Off the Street: Legalizing Drugs,' weighs in on the legalization of marijuana and how to keep it from kids.

Bill Bogart, law professor at the University of Windsor and author of "Off the Street: Legalizing Drugs," says the war on drugs has imposed brutal costs on society. He argues that it's time to move toward legalizing other substances, but with a public-health approach aimed at reducing use.

With marijuana legalisation expected soon, UWindsor law prof Bill Bogart says Canada should "permit, but discourage" all drugs. We spoke to him about his new book, called "Off The Street: Legalizing Drugs."

What would be the ramifications of legalizing all drugs? With Author Bill Bogart.