Both Congress and the Pentagon are seeking to help non-traditional defense companies win work -- but the challenges are extensive, according to a new report from the Government Accountability Office. The report draws on interviews with a dozen companies GAO said it selected because they have limited work with the Defense Department. Among the companies that participated were Amazon Web Services, Cylance, Liquid Robotics, Microsoft and Palantir Technologies. "For the most part, the selected 12 companies we spoke with expressed...