What do you think? Which are most informative? Authentic? Is this an effective way to familiarize citizens to public servants and put a face on government?

Secretary Robert Gates, Department of Defense:

Secretary Steven Chu, Department of Energy:

Secretary Ray LaHood, Department of Transportation:

Secretary Thomas J. Vilsack, Department of Agriculture:

Secretary Hillary Rodham Clinton, Department of State:

Administrator Lisa P. Jackson, Environmental Protection Agency:

Secretary Timothy F. Geithner, Department of Treasury:

Secretary Janet A. Napolitano, Department of Homeland Security:

Secretary Gary F. Locke, Department of Commerce:

Secretary Hilda L. Solis, Department of Labor:

Secretary Kathleen Sebelius, Department of Health and Human Services:

Secretary Kenneth L. Salazar, Department of the Interior:

Ambassador Ronald Kirk, United States Trade Representative:

Ambassador Susan Rice, United States Ambassador to the United Nations:

Director Peter R. Orszag, Office of Management & Budget:

Attorney General Eric Holder, Department of Justice:

Secretary Eric K. Shinseki, Department of Veterans Affairs:

Chair Christina Romer, Council of Economic Advisers:

Secretary Arne Duncan, Department of Education: