Want to know more about this week's guest and topics?
Try clicking on some of these links:
Rick Santorum | BioGOP presidential candidate
Jack Lew | BioWhite House Chief of Staff
Bill Burton | BioSenior Strategist and Co-Founder, Priorities USA
Peggy Noonan | BioColumnist, The Wall Street Journal
E.J. Dionne | BioColumnist, The Washington Post
Joe Scarborough | BioHost, MSNBC's "Morning Joe"