The federal government has not yet replaced the bullet-pocked windows that serve as a grim reminder of an attack at the Centers for Disease Control and Prevention more than seven months ago, the agency's acting chief acknowledged Wednesday. CDC employees asked Dr. Jay Bhattacharya about the broken windows during a staff meeting, noting that the panes were papered over. "We're working on that," Bhattacharya said, adding that it's a priority. Another CDC official said permanent window replacement work is underway. In August, a 30-year-old man fired more than 180 shots into the campus and broke about 150 windows, with bullets piercing "blast-resistant" windows and spattering glass shards into numerous rooms, according to information circulated internally at the agency.