Public support for making marijuana legal reached a record high in 2013. A Pew Research Center poll released in April showed 52 percent support, and a Gallup poll in October showed 58 percent support. It's now safe to say most Americans are fed up with marijuana prohibition.
A "catch-22" has long plagued medical marijuana advocates and patients. Lawmakers and health regulators demand clinical studies on safety and efficacy, but the feds bar these studies from being conducted.