FT. JOHNSON, LA -- Gen. Randy George, nearly a year into his job as the Army's chief of staff, is working to implement his strategy for modernizing the force, envisioning a process in which weapon system users, developers and testers work alongside soldiers who are training on the ground, and someone rewriting software code if equipment doesn't work. “I think I've been very clear that we have a sense of urgency about doing this. And I always tell the formation...