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

You may recall that the Food and Drug Administration is asking for comments on rescheduling cannabis. Many times, agency requests for comments are met with a deafening silence. This is not one of those times.

It's not every day that the federal government requests public input on international marijuana laws, but that's exactly what the Food and Drug Administration (FDA) did last week. And the comments are pouring in.

In Massachusetts, there's finally been some movement towards setting up recreational sales.

Massachusetts regulators on Thursday issued final licenses to two marijuana-testing laboratories, paving the way for the launch of the Bay State's much-delayed recreational cannabis program.

And in Seattle, the city is vacating convictions for marijuana possession, citing concerns about disparate impact.

Critics of drug-possession prosecutions often argue that they unfairly target people of color. Seattle, where recreational use of marijuana was legalized in 2012, is doing something about it.

Finally, the entrepreneurial spirit is alive and well in Canada.

A 9-year-old Canadian girl quickly sold out of the cookies she was selling for the Girl Guides by setting up shop outside a marijuana store.

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