Mexico’s marijuana revolution is on display steps from the nation’s Senate, where for the last nine months activists have maintained a fragrant cannabis garden.

Each day, hundreds of people stroll amid a labyrinth of towering green plants, freely lighting joints and getting high.

Their wafting smoke is meant to serve as a reminder to senators, who have to walk through the plumes to get to work. Lawmakers have until Dec. 15 to pass pot legislation under orders from the Supreme Court, which two years ago struck down a marijuana ban as unconstitutional.

After decades of restrictive drug policies that fueled deadly cartel wars, Mexico is poised to become the biggest legal cannabis market in the world.

The looming deadline has intensified debate over exactly what legalization should look like and whom it should benefit. Among the questions dogging lawmakers: How easy or difficult should it be for users to buy and consume pot? And should the estimated 200,000 families growing it now be protected from competition with the large, foreign marijuana firms that have been jockeying for influence? [Read more at Los Angeles Times]