Government contractors say they're gaining traction in pitching Agile software development to federal agencies, but challenges remain. The Agile development process is focused on incrementally producing software to meet evolving needs, rather than a final product delivered months or even years later to meet a static requirement. This approach has increasingly gained attention in recent years, as federal agencies seek to use more commercial practices. And companies say they're starting to see new gains. Octo Consulting Group, for instance, earlier...