Liz Whyte / Center for Public Integrity | Time

Liz Whyte / Center for Public Integrity

Supporters celebrate the passage of Measure 91, legalizing marijuana in Oregon on Nov. 4, 2014 in Portland, Oregon.

Ballot Measure Backers Spend Big, Win Big

Issues ranging from abortion to gambling to medical marijuana go before vot...

Issues ranging from abortion to gambling to medical marijuana go before voters

A still from an advertisement payed for by Citizens Against the Maui County Farming Ban, a group backed by agricultural giants Monsanto and DowAgroSciences

Corporations, Advocacy Groups Spend Big on Ballot Measures

Spending on TV ads soars to $119 million ahead of Election Day

Spending on TV ads soars to $119 million ahead of Election Day