WASHINGTON — A 5.7-millimeter pistol used in the Fort Hood shooting was purchased legally by suspect Nidal Hasan at a Texas gun shop, law enforcement officials said Friday. Army Col. John Rossi, deputy commander at Fort Hood, confirmed at a news conference late Friday in Texas that the two weapons carried by Hasan were not military arms, but "privately owned weapons ... purchased locally." He said more than 100 rounds were fired during the attack. Records indicate Hasan bought the FN 5.7 at store called "Guns Galore" in Killeen, Texas, in recent months and that gun was used in the...