Want to know more about this week's guests and topics?
Try clicking on some of these links:
Ron Allen, NBC News Correspondent, Hillary Clinton's campaign | Bio
Lee Cowan, NBC News Correspondent, Barack Obama's campaign | Bio
David Gregory, Chief White House Correspondent, NBC News; Host, MSNBC's "Race for the White House" | Bio
Andrea Mitchell, NBC News | Bio
Kelly O'Donnell, NBC News Correspondent, John McCain's campaign | Bio
Chuck Todd, Political Director, NBC News |