The St. Charles County Republicans Missouri Republicans held their caucus Tuesday evening.  Mitt Romney's lack of support was apparent because he decisively lost.
St. Charles County Republicans reconvened Tuesday, weeks after the 
initial caucus was canceled amid rules disputes and claims of 
favoritism. ...
Despite his front-runner status, Romney still failed to generate much 
support. Instead, slates of Paul supporters were picked for 2nd and 3rd 
District congressional caucuses later this month (the county straddles 
the two districts) and the statewide GOP convention in June. Even a late
 attempt by Santorum and Romney supporters to align fell short of 
topping Paul.