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The United States and United Nations flags. (Getty Images)
Drug Policy
Drug Policy
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David Malpica sets up the dispensary room at Takoma Wellness Center before business hours on Sunday, March 8, 2015, Washington, DC. (Sarah L. Voisin/The Washington Post via Getty Images)
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(Prof. Dr. Otto Wilhelm Thomé Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany)
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(Sean Gallup/Getty Images)
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Leaves of a mature marijuana plant (Justin Sullivan/Getty Images)
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A marijuana advocate who goes by the name 'The Holy Hemptress' demonstrates on October 25, 2011 in San Francisco, California. (Justin Sullivan/Getty Images)
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(Justin Sullivan/Getty Images)
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(Uriel Sinai/Getty Images)
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Outside the 3-D Denver Discrete Dispensary on January 1, 2014 in Denver, Colorado. (Theo Stroomer/Getty Images)
Experts
David W. Murray
Senior Fellow
John P. Walters
President and CEO
