The Pentagon has spent more than half a century refining the ways it buys from small business. In recent years, the Defense Department has met its statutory goal of awarding 23 percent of its contracting dollars to small and disadvantaged concerns. But that emphasis has come at a cost and not necessarily in dollars. Bill Lucyshyn is former Research Director at DARPA and now director at the Center for Public Policy and Private Enterprise at the University of Maryland's School of Public Policy. He joins Federal Drive with Tom Temin with more on a just-completed study of the Pentagon and small business. Read a related story.