Want to know more about this week's guest and topics?
Try clicking on some of these links:
Hamid Karzai, President of Afghanistan | Bio
Asif Ali Zardari, President of Pakistan | Bio
Steve Coll, The New Yorker magazine; President, New America Foundation; Author, "Ghost Wars: The Secret History of the CIA, Afghanistan and Bin Laden, from the Soviet Invasion to September 10, 2001" | Article archive | Bio | More information on "Ghost Wars"
Andrea Mitchell, Chief Foreign Affairs Correspondent, NBC News | Bio
David Gregory on Facebook