Marijuana

As more U.S. states approve marijuana for medical or recreational use, the price for pot growers in Mexico is falling. This could change the business model for narcotraffickers as well.

Colorado is rolling out regulations for the edible-marijuana sector, including "emergency rules," which spell out serving sizes. But for now, most of the dosage education is falling to pot shops.

From sodas to truffles to butter, foods infused with THC — the chemical in marijuana that gives you a high — are already for sale in Colorado. But the federal government still considers pot illegal, so the state has to create from scratch its own system to regulate these foods.

Washington state decriminalizes possession tonight. Colorado does so next month. Chong, one half of the stoner duo Cheech and Chong, is all in favor of the new laws. There isn't anything funny about being busted, the comic says.

With possession of small amounts of pot about to be decriminalized in Washington State, Seattle's finest went to the Web to explain what's going to happen. Bilbo and Gandalf from Lord of the Rings help set the cool mood.