DC Cannabis Campaign sign is seen with other signs in Washington

A DC Cannabis Campaign sign is seen with other campaign signs in Washington November 4, 2014. Voters in the U.S. capital and two West Coast states will decide on Tuesday during national midterm elections whether to legalize marijuana in a test for broader cannabis legalization efforts across the United States. REUTERS/Gary Cameron (UNITED STATES – Tags: POLITICS ELECTIONS HEALTH BUSINESS DRUGS SOCIETY)