American economist and former Director of the Congressional Budget Office, Douglas Holtz-Eakin, explains the impact of undocumented immigrants on the budgets of both the federal and local governments. Doug served served as a Senior Staff Economist on President George H.W. Bush's Council of Economic Advisers and chief economic policy adviser to Senator John McCain's 2008 presidential campaign. He is currently president of the American Action Forum policy institute, a conservative think tank.