Starting in the spring of 2008, key officials from Walter Reed Army Medical Center and the Uniformed Services University of the Health Sciences held a series of meetings and conversations, in part about Maj. Nidal Hasan, the man accused of killing 13 people and wounding dozens of others last week during a shooting spree at Fort Hood. One of the questions they pondered: Was Hasan psychotic? Hasan had been a trouble spot on officials' radar since he started training at Walter Reed, six years earlier. Several officials confirm that supervisors had repeatedly given him poor evaluations and warned him that...