Inside Washington Jan. 22, 2012

This week on Inside Washington: South Carolina’s rock’em, sock ‘em Republican primary. As Newt Gingrich surges, his ex-wife weighs in. How will South Carolina’s evangelical voters process the information?

A rough week for Mitt Romney on taxes. How did his campaign let this issue get ahead of the candidate?

Iowa slips away from Romney and Rick Santorum claims victory there. Jon Huntsman and Rick Perry bow out.

President Obama rejects the Keystone oil pipeline project, handing Republicans a gift-wrapped campaign issue.