With most of the votes counted, Santorum is widely leading in Minnesota and Missouri, although apparently these are non-binding caucuses. He is also leading in CO, but only a little more than 6% of the votes have been counted at this time.
http://www.huffingtonpost.com/2012/...lts_n_1261330.html?ref=politics&ncid=webmail1
http://www.huffingtonpost.com/2012/...lts_n_1261330.html?ref=politics&ncid=webmail1