By Nick Gass | POLITICO
Voters in three key swing states support the use of medical marijuana by wide margins, according to a new Quinnipiac University poll released Tuesday.
Colorado voters support the legalization of medical marijuana — 89 percent to 8 percent. Iowa voters back it by a margin of 87 percent to 11 percent, and Virginia voters support it 86 percent to 11 percent.
Related: New Arizona law tightens regulations for medical marijuana