Rick Santorum is the winner of Missouri's presidential primary. The primary was held Tuesday and is non-binding.
Mitt Romney, Rick Santorum and Ron Paul were on the ballot, Newt Gingrich was not.
Early this morning, St. Louis Public Radio's Julie Bierach interviewed University of Missouri-St. Louis political science professor Dave Robertson about the results.
What does a Missouri win mean for Santorum’s campaign?
St. Louis Public Radio is a service of the University of Missouri-St. Louis.