A growing number of Latin American countries are debating whether or not to legalise the use and sale of marijuana.<br /><br />For the first time, the former presidents of Mexico, Brazil and Colombia are discussing the legalisation as a means of curbing narcotics-related violence from rival cartels, which thrive off the illegal trade.<br /><br />The talks are part of a debate spreading throughout the region in which some say the militarised war on drugs has failed and that it is time for a new alternative.<br /><br />Al Jazeera's Lucia Newman reports from Buenos Aires, Argentina's capital. <br /><br />[August 14, 2010]
