Want to know more about this week's guests and topics?
Try clicking on some of these links:
Gov. Tim Pawlenty (R-MN), McCain Supporter | Bio
Maria Bartiromo, Anchor, CNBC's "Closing Bell with Maria Bartiromo"; Host & Managing Editor, "Wall Street Journal Report with Maria Bartiromo" | Bio
David Gregory, Chief White House Correspondent, NBC News; Host, MSNBC's "Race for the White House" | Bio
Andrea Mitchell, Chief Foreign Affairs Correspondent, NBC News | Bio
Mike Murphy, Republican Strategist; NBC News Political Analyst | Bio
Kelly O'Donnell, NBC News Correspondent, Covering John McCain | Bio