Expected in Missoury and Minnesota, but unexpected in Colorado. I underestimated evengelical strength there...
P.S (somewhat offtopic). Personally i am an absolute opponent of caucus system as undemocratic., unrepresentative (65 thousands votes in 4+ million Colorado, 53 thousands in 5+ million Minnesota?
) and, in addition, because caucuses are dominated by extreme left on Democratic side (Obama wouldn't beat Hillary if not for caucuses) and extreme right on Republican (typical Republican voter in Minnesota, Colorado and, especially, Missoury is, of course conservative, but not by so much as typical "religious right caucusgoer") their skew the real feelings of voters in their state grreatly. Primary is another matter and i am reasonably sure that under primary system Romney ("establishment candidate") would beat Santorum in Colorado and would be at least close in Minnesota..