The Department of Homeland Security responded Friday to questions from Rep. Tim Huelskamp, R-Kan., about why the agency was allegedly planning to buy some 1.6 billion rounds of ammunition over the next five years. DHS told Whispers it regularly fills all of its goods and services requirements at one time because it's cheaper for the agency, and that the 1.6 billion number was misleading because the language of DHS's purchase said it would need "up to" a certain amount. One solicitation by the agency—for training centers and law enforcement personnel—was for "up to" 750 million rounds of training ammunition over...