Dr. Ron Paul - Now Playing:

Ron Paul calls Rick Santorum fake during CNN Arizona debate
Ron Paul calls Rick Santorum fake during CNN Arizona debate
Ron Paul calls Rick Santorum fake during CNN Arizona debate
Ron Paul calls Rick Santorum fake during CNN Arizona debate
Ron Paul calls Rick Santorum fake during CNN Arizona debate
Ron Paul calls Rick Santorum fake during CNN Arizona debate

Ron Paul calls Rick Santorum fake during CNN Arizona debate

CNN - 2012-02-23

Ron Paul defends his ad calling Rick Santorum 'a fake' during Wednesday's CNN debate.