(Infographic) Taking The High Road: America's Long, Strange Trip Toward Legalized Marijuana

Marijuana went mainstream in 2013 with both Colorado and Washington state legalizing recreational use, and 27 states and Washington, D.C., allowing the medical use of marijuana. And now the fun begins: On Wednesday, Jan. 1, legal pot for recreational use goes on sale in Colorado. The first customer, according to a press release from the Marijuana Policy Project, will be Sean Azzariti, "a Denver-based Iraq war veteran who can now legally use marijuana to alleviate the symptoms of post-traumatic s...