A twenty-year battle to modernize the tax processing system at the Internal Revenue Service is finally over. The Government Accountability Office took the system off its high-risk list this year, and the man responsible is earning some lofty recognition. Terence Milholland, chief information officer and chief technology officer at the Internal Revenue Service, was nominated for a Service to America Medal for his efforts. He joins In Depth with Francis Rose to discuss his accomplishment.

PHOTO GALLERY: Meet the 2013 Service to America Medal Finalists

An all-out cyber war hasn’t happened yet, but it is possible. Ian Wallace, visiting fellow on foreign policy with the Center for 21st Century Security and Intelligence at the Brookings Institution, recently co-hosted an event with other cybersecurity experts at Brookings to discuss the possibility of a cyber war.

The tragic shooting at the Naval Sea Systems Command is rocking the D.C. area. Sam Lagrone, online editor at the U.S. Naval Institute, provides an inside look at the Navy Yard office complex in Southeast D.C.

Duplicative IT networks are costing federal agencies hundreds of millions of dollars. The Government Accountability Office has identified 12 potential IT systems that add up to more than $320 million in duplicative spending. David Powner, director of Information Technology Management Issues at GAO, joins In Depth with more from the report.

Today’s shootings at the Washington Navy Yard may make getting into your federal building harder in the coming days. Wendell Shingler, the former director of the Federal Protective Service, joins In Depth to discuss how agencies will likely heighten security in the coming days.