2011 March of liberty

Brazilian deputy and former Environment minister Carlos Minc, right, participates at the Liberty March for free expression for feminists, gays and marijuana consumers in Copacabana, Rio de Janeiro, Brazil, June 18, 2011. The Brazilian Supreme Court approved past June 15, 2011, that demonstrations favoring the legalization of marijuana are an exercise of free expression and do not encourage people to consume marijuana.(Austral Foto/Renzo Gostoli)

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Brazilian deputy and former Environment minister Carlos Minc, right, participates at the Liberty March for free expression for feminists, gays and marijuana consumers in Copacabana, Rio de Janeiro, Brazil, June 18, 2011. The Brazilian Supreme Court approved past June 15, 2011, that demonstrations favoring the legalization of marijuana are an exercise of free expression and do not encourage people to consume marijuana.(Austral Foto/Renzo Gostoli)

Gostoli Brazil Brasil Rio de Janeiro cannabis maconha marihuana marijuana legalization March 2011 Liberty free expression 20110618RG11 Carlos Minc minister