Of the 20 Nottheastern Senators, five call themselves "Republican." Two are conservative. The other three are basically democrats who stay with the party in power for committe seniority. A fourth was elected as a Republican and left. Having lived in the South and Southwest as well as the Northeast, I find Republicans here to be among the most conservative. If they were more moderate, there would probably be a few more elected.
Who exactly are the two conservatives? I know Santorum is one. Sorry, I will stick with my opinion.