Grist: On Wednesday, on a cloudy spring morning, the president laid out the "Obama doctrine" for foreign policy during a graduation address at West Point. The highly anticipated speech came just a day after Obama announced plans for drawing down U.S. troops in Afghanistan. In response to conservative complaints that he lacks a coherent policy vision, Obama did his classic triangulation shtick of laying out the dichotomy he transcends: interventionists on one hand think we should police the world, while...