Want to know more about this week's guest and topics?
Try clicking on some of these links:
Gov. Haley Barbour (R-MS), Chair, Republican Governors Association | Bio
Sen. Mary Landrieu (D-LA), Energy and Natural Resources Committee | Bio
Rep. Ed Markey (D-MA), Chair, Select Committee on Energy Independence and Global Warming | Bio
Katty Kay, Washington Correspondent, BBC World News America | Bio
John Hofmeister, former President, Shell Oil Company; Author, "Why We Hate the Oil Companies" | Bio | Read an excerpt of "Why We Hate the Oil Companies"