Rick Santorum is the favored GOP candidate for President in Southern Illinois but his odds of winning the state's primary election are slim.  That's according to John Jackson with the Paul Simon Public Policy Institute.

[audio:rddJacksonGOP1.mp3] [/audio]

Santorum is making his rounds across Central Illinois, trying to convince voters that he's the best man for the job.  Fifty-four delegates are on the line in today's primary election.  Polls are open from 6 a.m until 7 p.m.