Argentina has given the first sign that Uruguay’s groundbreaking cannabis reform just may have started a domino effect across Latin America. Following the momentous vote by its smaller neighbor’s senate this month — making it the first nation in the world to completely legalize the cannabis — Argentina’s anti-drug czar Juan Carlos Molina has called for a public discussion in his country about emulating the measure. His comments are the clearest sign yet that Uruguay’s strategy has kicked off a trend in the region.