Here are the most tweeted about people and emojis in a year that was dominated by a pandemic that is still ravaging the globe.
Experts in cannabis and criminal justice believe more is needed to create the change being sought.
More than a year after Musk's notorious 420 tweet, Tesla actually reached his stated marijuana-friendly goal.
SpaceX will carry hemp cultures into outer space, so scientists can better understand the effects of microgravity on the plant.
Though California legalized recreational marijuana, Elon Musk instructed SpaceX employees not to smoke joints like him.
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Hand selected from our editors with all the latest news and entertainment with a side of cannabis.