Smoking pot doesn’t cause schizophrenia, but marijuana as an issue sure gives our political system the symptoms. We have just elected our third president in a row who at least tried marijuana in early adulthood, yet it remains illegal. As we discovered again this week, President Obama, like his two predecessors, supports imprisoning people for making the same choices he made. Beyond imprisonment, one of my policy students, who was honest on a security clearance about her one time use of pot, could lose her job for doing what Clinton, Bush and Obama did. On television, leading comedian Jon Stewart and America’s sweetheart, Sandra Bullock, swap pot smoking stories with lighthearted abandon, laughing along with their audience, who, like most Americans, end up voting for politicians who support draconian punishments for pot users and dealers. Year after year, major Hollywood films like Pineapple Express show potsmoking in a positive light, yet legalization remains unmentionable to both our political parties. And America’s most popular Olympian, Michael Phelps, like the majority of people his age, has tried pot, but loses millions in sponsorship when it is revealed that he has done what most of his fans have done. […]