Let's be honest here...43% is the left-wing base of the Democrat Party. They aren't willing to support anyone who believes in God.
Also, there are liberals who call themselves "Evangelical."
Which god? It used to be you could make some basic assumptions about a cultural consensus on beliefs in God. No more, especially with the rise of the redefinition-minded cults.
*snort* That is exactly what I was going to post!
>>They aren't willing to support anyone who believes in God.<<
Which one?