Black Friday is the time for door-buster electronics sales, deeply discounted fashion and, oh yeah, purchasing holiday gifts for loved ones. And it's also becoming a big shopping day for medical marijuana.

More than a quarter of all legal cannabis in North America is sold in California, despite much stricter laws than Colorado or Washington.

There are hundreds of booths at the three-day festival, which also features concerts, a grow room, carnival rides, food trucks, educational seminars and more.

Five measures concerning marijuana were introduced in Congress on May 30.

Five measures concerning marijuana were introduced in Congress on May 30.

A small, bipartisan group of lawmakers is renewing a push at the federal level to legalize marijuana, calling it a criminal justice issue.

A small, bipartisan group of lawmakers is renewing a push at the federal level to legalize marijuana, calling it a criminal justice issue.

The fashion industry has never been one to hide its infatuation with marijuana.

State regulators and government officials involved in crafting rules for the budding legal and medical marijuana industry are going to pot.

State regulators and government officials involved in crafting rules for the budding legal and medical marijuana industry are going to pot.

Reefer madness appears to be fading into oblivion -- at least when it comes to popular attitudes. The law lags behind.

Reefer madness appears to be fading into oblivion -- at least when it comes to popular attitudes. The law lags behind.

In some ways, the Emerald Exchange is like other farmer’s markets one might find in L.A.’s more upscale and bohemian neighborhoods.

DENVER – Students at the University of Denver will have a new class to choose from next quarter: The business of marijuana.