Former Colombian president Cesar Gaviria tells Christiane Amanpour what the U.S. should do to curb the cocaine trade.
Former Colombian President Cesar Gaviria on Tuesday strongly criticized the United States' approach to fighting drugs.
Argentina's Supreme Court ruled Tuesday it is unconstitutional to punish an adult for private use of marijuana as long as it doesn't harm anyone else.
Former Mexican President Vicente Fox has joined three other ex-leaders of Latin American nations calling for the decriminalization of marijuana.
Former presidents of Mexico, Colombia and Brazil called Wednesday for the decriminalization of marijuana for personal use and a change in tactics on the war on drugs, a Spanish news agency said.
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