Presidential candidate Rick Santorum is defending rival Mitt Romney and Newt Gingrich on attacks from each other on their wealth.

Santorum says Romney is, in his words, "a wealthy guy because he worked hard." He is also defending Gingrich by saying Gingrich's work advising companies after leaving government is not the worst thing in the world.

Santorum says Romney's and Gingrich's attacks on each other distract from bigger issues and that they should focus on policy differences.

Gingrich says he believe his wealth should be a non-issue but says he must defend himself from attacks.