Two must-read op-eds from last week explain why ending marijuana prohibition is perhaps the only effective way to curtail the ever-increasing violence plaguing Mexico: In The Washington Post, Hector Aguilar Camín, publisher of the Mexican magazine Nexos, and Jorge G. Castañeda, a former Mexican foreign minister who teaches at New York University, write that California’s Proposition 19, which would legalize marijuana for adults, “may, at long last, offer Mexico the promise of an exit from our costly…

We’ve written previously about the U.S. Veterans Administration’s disgraceful policy of not allowing its doctors to recommend medical marijuana to military veterans, even if they live in a state where medical marijuana is legal or suffer from a condition such as post-traumatic stress disorder, which affects one in five vets returning from Iraq and Afghanistan and studies have shown can be relieved through marijuana. Yesterday, former Nebraska senator and governor and Vietnam veteran Bob Kerrey joined…