All In Agenda: How Christie does business

1. How does Gov. Chris Christie's administration do business? The New York Times reports on the Chrsitie team's efforts to win Democratic endorsements ahead of the 2012 re-election campaign, including the Mayor of Belleville, New Jersey. Matt Friedman, a reporter for the New Jersey Star-Ledger, joins us with the latest. 

2. Plus, how did we get here? Steve Kornacki, host of Up, traces the origins of the "bridgegate" scandal and the investigation into the distribition of Hurricane Sandy releif funds. 

3. Housing and Urban Development Secretary Shaun Donovan joins us to talk about his department's efforts to help the nation's poor. 

4. We've got the highlights and lowlights of the many Republican responses to Tuesday night's State of the Union Address -- plus the one that's threatened to overshadow them all: Rep. Michael Grimm's confrontation with a local New York reporter. Rep. Debbie Wasserman Schultz, D-Fla., and Katrina Vanden Heuvel, editor and publisher at The Nation, join us with reactions to Tuesday's address.