Want to know more about this week's guest and topics?
Try clicking on some of these links:
Tim Geithner, Treasury Secretary | U.S. Department of the Treasury | Bio
Sen. John McCain (R-AZ), 2008 Republican Presidential Nominee; Ranking Member, Armed Services Committee | Web site | Bio | United States Senate Armed Services Committee
MSNBC: World News
Follow David Gregory on Twitter
David Gregory on Facebook