A large number of voters who elect the President are cross over Dems and Indys. You don’t win preaching to the choir loft.
Bad new for Team Cruz, he did not even carry the Evangelical vote in SC
It is a lot more pronounced in open primary states. Why do they even have separate primaries? Save the money, and just have one- that’s basically what’s happening. I think LA actually does something like that. It is called a jungle primary.
http://politicaldictionary.com/words/jungle-primary/