Marijuana legalization's income may help fund education, prevention and treatment programs for harder drugs. What's clear is that the four-decade-old U.S.-backed war on drugs is not working, and that it's producing tens of thousands of dead across the hemisphere, without significant gains in reducing consumption. Experimenting with new weapons to weaken the cartels may be better than doing nothing.

Marijuana legalization's income may help fund education, prevention and treatment programs for harder drugs. What's clear is that the four-decade-old U.S.-backed war on drugs is not working, and that it's producing tens of thousands of dead across the hemisphere, without significant gains in reducing consumption. Experimenting with new weapons to weaken the cartels may be better than doing nothing.