There have been a number of hitches with Colorado's legalization of marijuana, including reports of kids showing up in ER rooms after getting into their parents edibles, border states seeing a spike in pot when those visiting Colorado return and a rash of dangerous explosions as people try to cook hash oil at home.
All troubles officials in Washington State are watching closely. Voters there also elected to legalize marijuana in 2012, but things have been a lot more slow going in the Northwest. For more on why we're joined by Reid Wilson of the Washington Post.