Pfc. Naser Jason Abdo, after raising suspicions at a Killeen, Texas, gun shop where he purchased six pounds of gunpowder and several boxes of shotgun shells, was in police custody in Killeen on Thursday, accused of plotting to kill fellow soldiers in a frightening reprise of the November 2009 massacre at Fort Hood. Abdo, 21, who grew up in Garland outside of Dallas, was close to pulling off a "terror plot" in which the intended target was troops based at Fort Hood, said Killeen Police Chief Dennis Baldwin. "We would probably be here today giving you a different briefing had...