Some have dubbed 2014 as the year of marijuana legalization.

Voters in Colorado and Washington passed ballot initiatives that legalized the sale this year of recreational pot. A recent Gallup poll found for the first time that a clear majority of Americans -- 58 percent -- say marijuana should be legalized, and President Barack Obama was quoted this month in a New Yorker magazine article as saying, "I don't think [marijuana] is more dangerous than alcohol."

Twenty states and the District of Columbia now allow medical marijuana, and about 10 other states have medical marijuana laws in the works -- including Tennessee and Georgia.

Read more from our friends at the Times Free Press.