Welcome back to The Week in Weed, your Friday look at what’s happening in the world of legalized marijuana.

Canadian Prime Minister Justin Trudeau’s government will publish draft legislation on the legalisation of marijuana later this week.

A turf war over Arizona’s medical cannabis vaporizer market has spilled into the courts, with one multistate marijuana company suing another over an alleged smear campaign.

This could be the most comprehensive set of cannabis reforms ever presented on Capitol Hill.

And we have to give a shout out to our colleagues at the California peculiarities Employment Law Blog for their piece on drug testing in the Golden State: Marijuana at Work: Testing of (and for) Mary Jane