Fareed Zakaria speaks with Mexican President Enrique Peña Nieto about whether marijuana should be legalized.
While President Nieto sees legalization as "a door of access to drug consumption to the most harmful drugs, and it eventually will generate an environment of more violence, as well," he also noted, "However, I do insist we have to hold a debate with evidence, showing exactly what is happening throughout the world, and what is also happening in the states of the American union where they have legalized it.
