Economists Isabel Sawhill and Brian Riedl discuss the federal deficit: how the country reached this point and how it might get back into the black. Sawhill is a senior fellow and vice president and director of economic studies at the Brookings Institution, a non-partisan think tank in Washington, D.C. Brian Riedl is lead budget analyst and the Grover M. Hermann Fellow in Federal Budgetary Affairs at the Heritage Foundation, a conservative think tank also based in Washington.