Want to know more about this week's guests and topics?
Try clicking on some of these links:
Sen. Barack Obama (D-IL), Democratic Presidential Candidate | Campaign Web site | Bio
MSNBC: Decision 2008
Most active discussions
Donald Trump maintains a lead in New Hampshire – but after finishing second in Iowa, will he be able to pull out a win in the Granite State? Carrie and Mark look ahead to the primary in today’s @MTP.