Along with only a sample size of 290, and thus not enough to be reliable, a recent poll suggested Gingrich's support was evenly split between Romney and Santorum.  The Poll is at http://www.gallup.com/poll/153308/Romney-Santorum-Tie-Gingrich-Voters-Second-Choice.aspx?utm_source=alert&utm_medium=email&utm_campaign=syndication&utm_content=morelink&utm_term=All%20Gallup%20Headlines%20-%20Politics