Pot votes in 2 states challenge US drug war - Article Photos 3/7

Brian Vicente, right, co-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. Betty Aldworth, left, and Mason Tvert who were leaders on the campaign listen. Colorado voters passed Amendment 64 on Tuesday legalizing marijuana in Colorado for recreational use. (AP Photo/Ed Andrieski)