By DEAN SCHABNER Feb. 3, 2013 A man is under arrest in connection with the killing of two men at an Erath County, Texas, gun range, police said. One of the victims is former Navy SEAL and "American Sniper" author Chris Kyle. "We have lost more than we can replace. Chris was a patriot, a great father, and a true supporter of this country and its ideals. This is a tragedy for all of us. I send my deepest prayers and thoughts to his wife and two children," "American Sniper" co-author Scott McEwen said in a statement to ABC News....