Army Specialist Jonathan Pacheco, who returned from Iraq in May, described Fort Hood as a haven of sorts for soldiers who had been on the battlefront. But after Army psychiatrist Maj. Nidal Malik Hasan allegedly opened fire on soldiers and others at the base, the troops at Fort Hood were forced to face the reality that even the home front can be violent. "Everybody is on edge," Pacheco said. "Nobody was expecting it. Everybody thought they were safe." Feelings of safety may indeed be a precious commodity at the base, located near Killeen, Tex. According to the website iCasualties.org, Fort Hood has suffered more in this decade than any other United States home base 483 deaths in Iraq and more than 20 in Afghanistan. Pacheco said everyone...