Pot votes in 2 states challenge US drug war - Article Photos 2/7

Betty Aldworth, center, a director of the Yes on 64 campaign responds to questions about the legalization of marijuana at a news conference at Civic Center Park in Denver on Wednesday, Nov. 7, 2012. Co-directors Brian Vicente, left, and Mason Tvert, right, listen. Colorado voters passed Amendment 64 on Tuesday legalizing marijuana in Colorado for recreational use. (AP Photo/Ed Andrieski)